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Document and Entity Information - USD ($)	12 Months Ended
Document and Entity Information - USD ($)	Dec. 31, 2012	Feb. 28, 2013	Jun. 30, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	ExlService Holdings, Inc.
Entity Central Index Key	0001297989
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Document Type	10-K
Document Period End Date	Dec. 31, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Entity Public Float			$ 679,505,408
Entity Common Stock, Shares Outstanding		32,444,731

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 103,037	$ 82,393
Short-term investments	6,137	7,869
Restricted cash	573	934
Accounts receivable, net	73,729	55,672
Prepaid expenses	5,353	4,503
Deferred tax assets, net	7,460	6,228
Advance income tax, net	4,581	3,379
Other current assets	7,065	5,863
Total current assets	207,935	166,841
Fixed assets, net	40,239	42,320
Restricted cash	3,752	3,387
Deferred tax assets, net	13,139	16,495
Intangible assets, net	43,522	36,313
Goodwill	106,671	92,287
Other assets	20,596	19,768
Total assets	435,854	377,411
Current liabilities:
Accounts payable	3,604	4,333
Deferred revenue	7,922	7,772
Accrued employee cost	29,393	27,444
Accrued expenses and other current liabilities	31,737	30,956
Current portion of capital lease obligations	1,685	1,729
Total current liabilities	74,341	72,234
Capital lease obligations, less current portion	2,679	4,244
Non-current liabilities	14,317	22,458
Total liabilities	91,337	98,936
Commitments and contingencies
Preferred stock, $0.001 par value; 15,000,000 shares authorized, none issued
Stockholders' equity:
Common stock, $0.001 par value; 100,000,000 shares authorized, 32,540,082 shares issued and 32,203,820 shares outstanding as of December 31, 2012 and 31,496,461 shares issued and 31,173,064 shares outstanding as of December 31, 2011	33	31
Additional paid-in-capital	195,248	173,926
Retained earnings	188,882	147,046
Accumulated other comprehensive loss	(36,647)	(39,858)
Total stockholders' equity including shares held in treasury	347,516	281,145
Less: 336,262 shares as of December 31,2012 and 323,397 shares as of December 31, 2011, held in treasury, at cost	(3,024)	(2,693)
ExlService Holdings, Inc. stockholders' equity	344,492	278,452
Non-controlling interest	25	23
Total stockholders' equity	344,517	278,475
Total liabilities and stockholders' equity	$ 435,854	$ 377,411

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	15,000,000	15,000,000
Preferred stock, shares issued
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	32,540,082	31,496,461
Common stock, shares outstanding	32,203,820	31,173,064
Treasury stock, shares	336,262	323,397

Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
Consolidated Statements of Income - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Income [Abstract]
Revenues	$ 442,930	$ 360,541	$ 252,753
Cost of revenues (exclusive of depreciation and amortization)	271,876	219,987	151,285
Gross profit	171,054	140,554	101,468
Operating expenses:
General and administrative expenses	57,192	50,660	40,278
Selling and marketing expenses	31,007	25,582	18,832
Depreciation and amortization	25,623	22,994	15,835
Total operating expenses	113,822	99,236	74,945
Income from operations	57,232	41,318	26,523
Other income/(expense):
Foreign exchange (loss)/gain	(2,509)	3,373	4,199
Interest and other income, net	1,997	1,957	1,367
Income before income taxes	56,720	46,648	32,089
Income tax provision	14,884	11,868	5,497
Net income	$ 41,836	$ 34,780	$ 26,592
Earnings per share:
Basic	$ 1.31	$ 1.15	$ 0.91
Diluted	$ 1.26	$ 1.10	$ 0.88
Weighted-average number of shares used in computing earnings per share:
Basic	31,968,386	30,264,805	29,281,364
Diluted	33,171,105	31,546,144	30,388,520

Consolidated Statements of Comprehensive Income/(Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Comprehensive Income/(Loss) [Abstract]
Net income	$ 41,836	$ 34,780	$ 26,592
Other comprehensive income/(loss):
Unrealized gain/(loss) on effective cash flow hedges, net of taxes $192, ($5,509) and $1,524	516	(14,820)	3,929
Foreign currency translation adjustment	(4,149)	(24,844)	3,484
Retirement benefits, net of taxes ($65), ($66) and ($30)	(193)	(285)	(147)
Reclassification Adjustments
Realized loss/(gain) on cash flow hedges, net of taxes $2,106, ($484) and ($916)	6,938	(1,116)	(2,745)
Retirement benefits, net of taxes $26, $22 and $47	99	81	120
Total other comprehensive income/(loss)	3,211	(40,984)	4,641
Total comprehensive income/(loss)	$ 45,047	$ (6,204)	$ 31,233

Consolidated Statements of Comprehensive Income/(Loss) (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Comprehensive Income/(Loss) [Abstract]
Taxes on unrealized gain/(loss) on cash flow hedges	$ 192	$ (5,509)	$ 1,524
Retirement benefits, taxes	(65)	(66)	(30)
Taxes on realized loss/(gain) on cash flow hedges	2,106	(484)	(916)
Retirement benefits, taxes	$ 26	$ 22	$ 47

- Definition

Tax effect of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.

+ References + Details

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Treasury Stock	Non - Controlling Interest
Beginning balance at Dec. 31, 2009	$ 205,718	$ 29	$ 124,493	$ 85,674	$ (3,515)	$ (976)	$ 13
Beginning balance, Shares at Dec. 31, 2009		29,278,103				(247,030)
Stock issued on exercise/vesting of equity awards	3,025	$ 1	3,024
Stock issued on exercise/vesting of equity awards, shares		412,360
Non-employee stock options	58		58
Stock based compensation	8,491		8,491
Excess tax benefit from stock based compensation	107		107
Acquisition of treasury stock	(93)					$ (93)
Acquisition of treasury stock, shares						(5,472)
Non controlling interest	7						7
Other comprehensive income/(loss)	4,641				4,641
Net income	26,592			26,592
Ending balance at Dec. 31, 2010	248,546	$ 30	136,173	112,266	1,126	$ (1,069)	20
Ending balance, Shares at Dec. 31, 2010		29,690,463				(252,502)
Stock issued on exercise/vesting of equity awards	5,535		5,535
Stock issued on exercise/vesting of equity awards, shares		805,998
Stock issued in primary offering	$ 21,526	$ 1	21,525
Stock issued in primary offering, shares	1,000,000	1,000,000
Non-employee stock options	$ 21		21
Stock based compensation	9,462		9,462
Excess tax benefit from stock based compensation	1,210		1,210
Acquisition of treasury stock	(1,624)					$ (1,624)
Acquisition of treasury stock, shares						(70,895)
Non controlling interest	3						3
Other comprehensive income/(loss)	(40,984)				(40,984)
Net income	34,780			34,780
Ending balance at Dec. 31, 2011	$ 278,475	$ 31	173,926	147,046	(39,858)	$ (2,693)	23
Ending balance, Shares at Dec. 31, 2011	31,173,064	31,496,461				(323,397)
Stock issued on exercise/vesting of equity awards	$ 9,603	$ 2	9,601
Stock issued on exercise/vesting of equity awards, shares		1,043,621
Non-employee stock options	32		32
Stock based compensation	9,416		9,416
Excess tax benefit from stock based compensation	2,273		2,273
Acquisition of treasury stock	(331)					$ (331)
Acquisition of treasury stock, shares						(12,865)
Non controlling interest	2						2
Other comprehensive income/(loss)	3,211				3,211
Net income	41,836			41,836
Ending balance at Dec. 31, 2012	$ 344,517	$ 33	$ 195,248	$ 188,882	$ (36,647)	$ (3,024)	$ 25
Ending balance, Shares at Dec. 31, 2012	32,203,820	32,540,082				(336,262)

Consolidated Statements of Cash Flow - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 41,836	$ 34,780	$ 26,592
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,623	22,994	15,835
Stock-based compensation expense	9,416	9,462	8,491
Amortization of deferred financing cost	151	90
Non-employee stock options	32	21	58
Unrealized foreign exchange (gain)/loss	(943)	(6,596)	1,050
Gain on bargain purchase		(405)
Deferred income taxes	4,727	(1,705)	(2,375)
Excess tax benefit from stock-based compensation	(2,273)	(1,210)	(107)
Non-controlling interest	2	3	7
Change in operating assets and liabilities (net of effect of acquisitions):
Restricted cash	(32)	(498)	431
Accounts receivable	(8,086)	(5,109)	(8,443)
Prepaid expenses and other current assets	(1,793)	(4,660)	(2,166)
Accounts payable	3,019	(840)	(145)
Deferred revenue	(3,721)	(319)	(2,767)
Accrued expenses and other liabilities	(715)	8,520	9,082
Advance income tax, net	(1,313)	1,408	(5,850)
Other assets	(148)	299	(3,187)
Net cash provided by operating activities	65,782	56,235	36,506
Cash flows from investing activities:
Purchase of fixed assets	(18,804)	(19,468)	(19,860)
Business acquisition (net of cash acquired)	(37,500)	(80,983)	(42,144)
Purchase of short-term investments	(7,351)	(8,818)	(2,424)
Proceeds from redemption of short-term investments	8,821	3,517	3,456
Net cash used for investing activities	(54,834)	(105,752)	(60,972)
Cash flows from financing activities:
Principal payments on capital lease obligations	(1,640)	(1,286)	(88)
Proceeds from sale of common stock, net of issuance costs		21,526
Proceeds from short-term borrowings		30,000
Repayments of short-term borrowings		(30,049)
Payment of debt issuance costs		(446)
Acquisition of treasury stock	(331)	(1,624)	(93)
Proceeds from exercise of stock options	9,603	5,535	3,024
Excess tax benefit from stock-based compensation	2,273	1,210	107
Net cash provided by financing activities	9,905	24,866	2,950
Effect of exchange rate changes on cash and cash equivalents	(209)	(4,138)	483
Net increase/(decrease) in cash and cash equivalents	20,644	(28,789)	(21,033)
Cash and cash equivalents, beginning of period	82,393	111,182	132,215
Cash and cash equivalents, end of period	103,037	82,393	111,182
Supplemental disclosure of cash flow information:
Cash paid for interest	826	803	43
Cash paid for taxes, net of refund	13,779	14,542	12,815
Assets acquired under capital lease	$ 243	$ 353	$ 547

Organization and Basis of Presentation

12 Months Ended

Dec. 31, 2012

Organization and Basis of Presentation [Abstract]

Organization and Basis of Presentation

1. Organization and Basis of Presentation

Organization

ExlService Holdings, Inc. (ExlService Holdings) is organized as a corporation under the laws of the state of Delaware. ExlService Holdings, together with its subsidiaries (collectively, the Company), is a leading provider of outsourcing services and transformation services. The Company’s clients are located principally in the U.S. and the U.K.

Basis of Presentation

Certain amounts in the prior year’s financial statements and related notes have been reclassified to conform to the 2012 presentation.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 13: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Position (SOP)
-Number 94-6
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 2-6
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
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-Paragraph 4, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 16: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Preparation and Principles of Consolidation

The accompanying consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”). The accompanying financial statements have been prepared on a consolidated basis and reflect the financial statements of ExlService Holdings and all of its subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

The non-controlling interest represents the minority partner’s interest in the operation of exl Service.com (India) Private Limited (“Exl India”) and the profits associated with the minority partner’s interest in those operations, in the consolidated balance sheets and consolidated statements of income, respectively. The minority partner’s interest in the operations for the years ended December 31, 2012, 2011 and 2010 was insignificant and is included under general and administrative expenses in the consolidated statements of income.

Use of Estimates

The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the consolidated statements of income during the reporting period. Estimates are based upon management’s best assessment of the current business environment. Actual results could differ from those estimates. The significant estimates and assumptions that affect the financial statements include, but are not limited to, allowance for doubtful receivables, service tax receivables, assets and obligations related to employee benefit plans, deferred tax valuation allowances, income-tax uncertainties and other contingencies, valuation of derivative financial instruments, stock-based compensation expense, depreciation and amortization periods, recoverability of long-term assets including goodwill and intangibles, and estimates to complete fixed price contracts.

Foreign Currency Translation

The functional currency of each entity in the Company is its respective local country currency which is also the currency of the primary economic environment in which it operates except for the entity in Mauritius. Monetary assets and liabilities in foreign currencies are re-measured into functional currency at the rates of exchange prevailing at the balance sheet dates. Transactions in foreign currencies are re-measured into functional currency at the rates of exchange prevailing on the date of the transaction. All transaction foreign exchange gains and losses are recorded in the accompanying consolidated statements of income.

The assets and liabilities of the subsidiaries for which the functional currency is other than the U.S. dollar are translated into U.S. dollars, the reporting currency, at the rate of exchange prevailing on the balance sheet dates.

Revenues and expenses are translated into U.S. dollars at the exchange rates prevailing on the last business day of each month, which approximates the average monthly exchange rate. Resulting translation adjustments are included in accumulated other comprehensive loss in the audited consolidated balance sheets.

Revenue Recognition

The Company derives its revenues from outsourcing and transformation services. Revenues from outsourcing services are recognized primarily on a time-and-material, cost-plus or unit-priced basis; revenues from transformation services are recognized primarily on a time-and-material and fixed price basis. The services provided within our contracts generally contain one unit of accounting. Revenues are recognized under our contracts generally when persuasive evidence of an arrangement exists, the sales price is fixed or determinable, services have been performed and collection of amounts billed is reasonably assured.

Revenues under time-and-material contracts are recognized as the services are performed. Revenues are recognized on cost-plus contracts on the basis of contractually agreed direct and indirect costs incurred on a client contract plus an agreed upon profit mark-up. Revenues are recognized on unit-price based contracts based on the number of specified units of work (such as the number of e-mail responses) delivered to a client. Such revenues are recognized as the related services are provided in accordance with the client contract. When the terms of the client contract specify service level parameters that must be met (such as turnaround time or accuracy), we monitor such service level parameters to determine if any service credits or penalties have been incurred. Revenues are recognized net of any service credits that are due to a client. We have experienced minimal service credits and penalties to date. Revenue on contingent fee based contracts is recognized when the related contingency has been met to the client’s satisfaction.

Revenues are recognized on fixed-price contracts using the proportional performance method when the pattern of performance under the contracts can be reasonably determined. We estimate the proportional performance of a contract by comparing the actual number of hours or days worked to the estimated total number of hours or days required to complete each engagement. The use of the proportional performance method requires significant judgment relative to estimating the number of hours or days required to complete the contracted scope of work, including assumptions and estimates relative to the length of time to complete the project and the nature and complexity of the work to be performed. We regularly monitor our estimates for completion of a project and record changes in the period in which a change in an estimate is determined. If a change in an estimate results in a projected loss on a project, such loss is recognized in the period in which it is first identified.

Revenues from software licensing arrangements are recognized at the later of time of delivery or expiration of significant termination rights if the license fee is fixed or determinable, collection is probable, and there is sufficient vendor specific evidence of the fair value of each undelivered element. When there are significant production, modifications or customization, installation, systems integration or related services, the professional services and license revenues are combined and recorded based upon proportional performance, measured in the manner described above. Revenues from fixed-term maintenance and support contracts are recognized ratably on a monthly basis over the period of the contract.

The Company accrues for revenue and receivables for services rendered between the last billing date and the balance sheet date. Accordingly, our accounts receivable include amounts for services that we have performed and for which an invoice has not yet been issued to the client.

Reimbursements of out-of-pocket expenses received from clients have been included as part of revenues in accordance with Accounting Standards Codification (ASC) topic 605-45-14, “Income Statement Characterization of Reimbursements Received for “Out-of-Pocket” Expenses Incurred.”

Revenues for the following periods include reimbursements of out-of-pocket expenses:


Year ended December 31, 2012	$	18,862
Year ended December 31, 2011	$	16,073
Year ended December 31, 2010	$	11,820

Cash and Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Pursuant to the Company’s investment policy, its surplus funds are kept as cash or cash equivalents and are invested in highly-rated mutual funds, money market accounts and time deposits to reduce its exposure to market risk with regard to these funds.

Current restricted cash represents amounts on deposit with banks against bank guarantees issued through banks for equipment imports that will mature on various dates before December 31, 2013, as well as client funds held in dedicated bank accounts.

Non-current restricted cash represents amounts on deposit with banks against bank guarantees issued through banks for equipment imports and for demands against pending income tax assessments (see Note 15 for details), that will mature on various dates after December 31, 2013.

Investments

The Company’s investments consist of time deposits with financial institutions which are valued at cost and approximate fair value. Interest earned on such investments is included in interest income. Investments with original maturities greater than three months but less than twelve months are classified as short-term investments. Investments with maturities greater than twelve months from the balance sheet date are classified as long-term investments.

Accounts Receivable

Accounts receivable are recorded net of allowances for doubtful accounts. Allowances for doubtful accounts are established through the evaluation of the accounts receivable ageing and prior collection experience to estimate the ultimate collectability of these receivables. As of December 31, 2012 and 2011, the Company had $207 and $134 of allowance for doubtful accounts, respectively.

Accounts receivable include unbilled accounts receivable which represents revenues for services performed but yet to be billed to the client. As of December 31, 2012 and 2011, the Company had $15,601 and $6,103 of unbilled accounts receivable, respectively, part of which are subsequently billed to the respective clients.

Fixed Assets

Fixed assets are stated at cost less accumulated depreciation and amortization. Equipment held under capital leases is stated at the lower of present value of minimum lease payments at the inception of the leases or its fair value. Advances paid towards acquisition of fixed assets and the cost of fixed assets not yet placed in service before the end of the period are classified as construction in progress.

Fixed assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable through an assessment of the estimated future undiscounted cash flows related to such assets. In the event that assets are found to be carried at amounts that are in excess of estimated undiscounted future cash flows, the carrying value of the related asset or group of assets is reduced to a level commensurate with fair value based on a discounted cash flow analysis.

Depreciation is computed using the straight-line method over the estimated useful lives of the assets. Depreciation and amortization on equipment held under capital leases and leasehold improvements are computed using the straight-line method over the shorter of the assets’ estimated useful lives or the lease term.

The estimated lives used in determining depreciation are as follows:


		Estimated Useful Life (Years)
Network equipment, computers and software		3-5
Buildings		30
Leasehold improvements		3-8
Office furniture and equipment		3-7
Motor vehicles		3-5

Business Combinations, Goodwill and Other Intangible Assets

ASC topic 805, “Business Combinations” (ASC No. 805), requires that the purchase method of accounting be used for all business combinations. The guidance specifies criteria as to intangible assets acquired in a business combination that must be recognized and reported separately from goodwill. Under ASC topic 350, “Intangibles—Goodwill and Other” (ASC No. 350), all assets and liabilities of the acquired businesses, including goodwill, are assigned to reporting units.

Goodwill represents the cost of the acquired businesses in excess of the fair value of identifiable tangible and intangible net assets purchased. Goodwill is not amortized but is tested for impairment at least on an annual basis, relying on a number of factors including operating results, business plans and estimated future cash flows. Recoverability of goodwill is evaluated using a two-step process. The first step involves a comparison of the fair value of a reporting unit with its carrying value. The fair value of the reporting unit is measured by discounting estimated future cash flows. If the carrying amount of the reporting unit exceeds its fair value, the second step of the process involves a comparison of the fair value and carrying value of the goodwill of that reporting unit. If the carrying value of the goodwill of a reporting unit exceeds the fair value of that goodwill, an impairment loss is recognized in an amount equal to the excess. Goodwill of a reporting unit will be tested for impairment between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of the reporting unit below its carrying amount.

Intangible assets are initially valued at fair market value using generally accepted valuation methods appropriate for the type of intangible asset. Intangible assets with definite lives are amortized over the estimated useful lives and are reviewed for impairment, if indicators of impairment arise. The evaluation of impairment is based upon a comparison of the carrying amount of the intangible asset to the estimated future undiscounted net cash flows expected to be generated by the asset. If estimated future undiscounted cash flows are less than the carrying amount of the asset, the asset is considered impaired. The impairment expense is determined by comparing the estimated fair value of the intangible asset to its carrying value, with any shortfall from fair value recognized as an expense in the current period.

The Company’s definite lived intangible assets are amortized over their estimated useful lives as listed below using a straight-line method or a method of amortization that reflects the pattern in which the economic benefits of the intangibles assets were consumed or otherwise realized:


Customer relationships			3-15 years
Leasehold benefits			3-8 years
Developed technology			5-10 years
Non-compete agreements			1-2 years
Trade names and trademarks			3-5 years

Derivative Financial Instruments.

In the normal course of business, the Company actively looks to mitigate the exposure of foreign currency market risk by entering into various hedging instruments, authorized under Company policies, with counterparties that are highly rated financial institutions. The Company uses derivative instruments for the purpose of mitigating the underlying exposure from foreign currency fluctuation risks associated with forecasted transactions denominated in certain foreign currencies and to minimize earnings and cash flow volatility associated with changes in foreign currency exchange rates, and not for speculative trading purposes.

The Company hedges anticipated transactions that are subject to foreign exchange exposure with foreign currency exchange contracts that are designated effective and that qualify as cash flow hedges under ASC topic 815, “Derivatives and Hedging” (ASC No. 815). Changes in the fair value of these cash flow hedges which are deemed effective, are recorded in accumulated other comprehensive income/(loss) (AOCI) until the hedged transactions occur and at that time are recognized in the consolidated statements of income. Changes in the fair value of cash flow hedges deemed ineffective are recognized in the consolidated statement of income and are included in foreign exchange (loss)/gain. The Company also uses derivatives instruments consisting of foreign currency exchange contracts not designated as hedging instruments under ASC No. 815 to hedge intercompany balances and other monetary assets or liabilities denominated in currencies other than the functional currency. Changes in the fair value of these derivatives are recognized in the consolidated statements of income and are included in foreign exchange (loss)/gain.

The Company evaluates hedge effectiveness at the time a contract is entered into as well as on an ongoing basis. If during this time, a contract is deemed ineffective, the change in the fair value is recorded in the consolidated statements of income and is included in foreign exchange (loss)/gain. For hedge relationships that are discontinued because the forecasted transaction is not expected to occur by the end of the originally specified period, any related derivative amounts recorded in equity are reclassified to earnings.

Retirement Benefits

Contributions to defined contribution plans are charged to the consolidated statements of income in the period in which services are rendered by the covered employees. Current service costs for defined benefit plans are accrued in the period to which they relate. In accordance with ASC topic 715, “Compensation—Retirement Benefit” (ASC No. 715), the liability in respect of defined benefit plans is calculated annually by the Company using the projected unit credit method. Prior service cost, if any, resulting from an amendment to a plan is recognized and amortized over the remaining period of service of the covered employees. The Company recognizes its liabilities for compensated absences in accordance with ASC topic 710, “Compensation—General” (ASC No. 710).

Share-Based Compensation

The Company follows ASC topic 718, “Compensation—Stock Compensation” (ASC No. 718), which requires the recognition of stock-based compensation expense in the consolidated financial statements for awards of equity instruments to employees and non-employee directors based on the grant-date fair value of those awards. The Company recognizes these compensation costs, net of an estimated forfeiture rate, over the requisite service period of the award.

Income Taxes

The Company accounts for income taxes in accordance with ASC topic 740, “Income Taxes” (ASC No. 740). Under ASC No. 740, deferred tax assets and liabilities are recognized for future tax consequences attributable to differences between the financial statement carrying value of existing assets and liabilities and their respective tax basis and all operating losses carried forward, if any. Deferred tax assets and liabilities are measured using tax rates expected to apply to taxable income in the years in which the applicable temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates or tax status is recognized in the statement of income in the period in which the change is identified. Deferred tax assets are reduced by a valuation allowance if, based on available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized.

ASC No. 740 clarifies the accounting for income taxes by prescribing the minimum recognition threshold a tax position is required to meet before being recognized in the financial statements. It also provides guidance on de-recognition, measurement, classification, interest and penalties, accounting in interim periods, disclosure and transition. The guidance contains a two-step approach to recognizing and measuring uncertain tax positions accounted for in accordance with ASC No. 740. The first step is to evaluate the tax position for recognition by determining, based on the technical merits, that the position will be more likely than not sustained upon examination. The second step is to measure the tax benefit as the largest amount of the tax benefit that is greater than 50% likely of being realized upon settlement. Interest and penalties related to unrecognized tax benefits are being included in provision for income-tax expense in the consolidated statements of income.

Financial Instruments and Concentration of Credit Risk

Financial Instruments. For certain financial instruments including cash and cash equivalents, short-term investments, accounts receivable, accounts payable, accrued expenses, and other current liabilities, recorded amounts approximate fair value due to the relatively short maturity periods of such instruments.

Concentration of Credit Risk. Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of cash and cash equivalents, time deposits, accounts receivable and derivative financial instruments. By their nature, all such financial instruments involve risks including the credit risks of non-performance by counterparties. Pursuant to the Company’s investment policy, its surplus funds are maintained as cash or cash equivalents and are invested in highly-rated mutual funds, money market accounts and time deposits to reduce its exposure to market risk with regard to these funds. Trade accounts receivable are incurred pursuant to contractual terms with customers. Credit losses on accounts receivable have not been material because of a large concentration of revenues with a small number of large, established companies. The Company evaluates the creditworthiness of its clients in conjunction with its revenue recognition processes as well as through its ongoing collectability assessment processes for accounts receivable.

Earnings Per Share

Basic earnings per share is computed by dividing net income to common stockholders by the weighted average number of common shares outstanding during each period. Diluted earnings per share is computed using the weighted average number of common shares plus the potentially dilutive effect of common stock equivalents issued and outstanding at the reporting date, using the treasury stock method. Stock options, restricted stock and restricted stock units that are anti-dilutive are excluded from the computation of weighted average shares outstanding.

Any cash or in-kind dividends paid with respect to unvested shares of restricted stock and restricted stock units are withheld by the Company and paid to the holder of such shares of restricted stock, without interest, only if and when such shares of restricted stock and restricted stock units vest. Any unvested shares of restricted stock and restricted stock units are immediately forfeited without consideration upon the termination of holder’s employment with the Company or its affiliates. Accordingly, the Company’s unvested restricted stock and restricted stock units do not include non-forfeitable rights to dividends or dividend equivalents and are therefore not considered as participating securities for purposes of earnings per share calculations pursuant to the two-class method. However, the Company’s vested restricted stock units against which the underlying common stock has not been issued, contain non-forfeitable rights to dividends or dividend equivalents and are therefore after vesting considered as participating securities for the purposes of computing basic earnings per share pursuant to the two-class method. Application of this treatment had an insignificant effect on the basic earnings per share.

The following table sets forth the computation of basic and diluted earnings per share:


	Year ended December 31,
	2012		2011		2010
Numerators:
Net income	$	41,836	$	34,780	$	26,592

Denominators:
Basic weighted average common shares outstanding		31,968,386		30,264,805		29,281,364
Dilutive effect of share based awards		1,202,719		1,281,339		1,107,156

Diluted weighted average common shares outstanding		33,171,105		31,546,144		30,388,520

Earnings per share:
Basic	$	1.31	$	1.15	$	0.91
Diluted	$	1.26	$	1.10	$	0.88
Weighted average common shares considered anti-dilutive in computing diluted earnings per share		413,493		424,081		674,507

Accumulated Other Comprehensive Loss

ASC topic 220, “Reporting Comprehensive Income,” establishes rules for the reporting of comprehensive income and its components. Comprehensive income is defined as all changes in equity from non-owner sources. For the Company, comprehensive loss consists of net earnings/(loss), amortization of actuarial gain/(loss) on retirement benefits and changes in the cumulative foreign currency translation adjustments. In addition, the Company enters into foreign currency exchange contracts, which are designated as cash flow hedges in accordance with ASC No. 815. Changes in the fair values of contracts that are deemed effective are recorded as a component of accumulated other comprehensive loss until the settlement of that contract. The balances as of December 31, 2012 and 2011 are as follows:


	December 31, 2012			December 31, 2011
Cumulative translation adjustments	$	(30,486	)	$	(26,337	)
Unrealized loss on cash flow hedges, net of taxes of ($2,521) and ($4,819)		(5,456	)		(12,910	)
Retirement benefits, net of taxes of ($203) and ($164)		(705	)		(611	)

Accumulated other comprehensive loss	$	(36,647	)	$	(39,858	)

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consist of the following:


	December 31, 2012		December 31, 2011
Accrued expenses	$	20,134	$	15,572
Derivative instruments		6,403		9,170
Other current liabilities		5,200		6,214

Accrued expenses and other current liabilities	$	31,737	$	30,956

Non-current liabilities

Non-current liabilities consist of the following:


	December 31, 2012		December 31, 2011
Derivative instruments	$	3,458	$	8,559
Unrecognized tax benefits		2,680		4,981
Deferred rent		4,631		3,319
Retirement benefits		2,380		3,068
Other non-current liabilities		1,168		2,531

Non-current liabilities	$	14,317	$	22,458

Recent Accounting Pronouncements

In May 2011, the Financial Accounting Standards Board (“FASB”) issued update No. 2011-04, “Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRS” (ASU No. 2011-04). ASU No. 2011-04 is intended to improve the comparability of fair value measurements presented and disclosed in financial statements prepared in accordance with GAAP and International Financial Reporting Standards (“IFRS”). ASU No. 2011-04 explains how to measure fair value and does not require additional measurements. Accordingly, the adoption of this accounting pronouncement from January 1, 2012 did not have an impact on the Company’s consolidated financial statements.

In June 2011, the FASB issued update No. 2011-05, “Presentation of Comprehensive Income” (ASU No. 2011-05). ASU No. 2011-05, effective retrospectively for the interim and annual periods beginning on or after December 15, 2011 (early adoption is permitted), requires presentation of total comprehensive income, the components of net income and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The Company adopted the option of presentation in two separate but consecutive statements. Refer to the Company’s consolidated statements of comprehensive income/(loss) for further details.

In December 2011, the FASB issued update No. 2011-12, “Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards” (ASU No. 2011-12), which deferred the requirement to present on the face of the financial statements the effects of reclassifications out of accumulated other comprehensive income (“AOCI”) on the components of net income and other comprehensive income for annual and interim financial statements. The adoption of this accounting pronouncement from January 1, 2012 did not have any impact on the Company’s consolidated financial statements.

In September 2011, the FASB issued update No. 2011-08, “Testing Goodwill for Impairment” (ASU No. 2011-08), which permits an entity to first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. If an entity concludes that the fair value of a reporting unit is less than its carrying value, it is necessary to perform a two-step goodwill impairment test. ASU No. 2011-08 is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. The adoption of this accounting pronouncement did not have a material impact on the Company’s consolidated financial statements and annual goodwill impairment for the fiscal year 2012.

In July 2012, the FASB issued update No. 2012-02, “Testing Indefinite-Lived Intangible Assets for Impairment” (ASU No. 2012-02), which simplifies the guidance for testing the impairment of indefinite-lived intangible assets other than goodwill. Examples of intangible assets subject to the guidance include indefinite-lived trademarks, licenses, and distribution rights. The amendment provides the option to first assess qualitative factors to determine whether it is necessary to perform the quantitative impairment test. Under the option, an entity is no longer required to calculate the fair value of an indefinite-lived intangible asset unless the entity determines, based on a qualitative assessment, that it is more likely than not that its fair value is less than its carrying amount. This amendment is effective for fiscal years beginning after September 15, 2012, with early adoption permitted. The Company does not expect the new guidance to have an impact on its 2013 impairment test results.

In February 2013, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update No. 2013-02, “Reporting of Amounts Reclassified out of Accumulated Other Comprehensive Income” (ASU 2013-02). Under ASU 2013-02, an entity is required to provide information about the amounts reclassified out of AOCI by component. In addition, an entity is required to present, either on the face of the financial statements or in the notes, significant amounts reclassified out of AOCI by the respective line items of net income, but only if the amount reclassified is required to be reclassified in its entirety in the same reporting period. For amounts that are not required to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional details about those amounts. ASU 2013-02 does not change the current requirements for reporting net income or other comprehensive income in the financial statements. ASU 2013-02 is effective from January 1, 2013 and the Company does not expect the new guidance to have an impact on its consolidated financial statements.

Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data [Abstract]

Quarterly Financial Data (Unaudited)

3. Quarterly Financial Data (Unaudited)

Summarized quarterly results for the years ended December 31, 2012 and 2011 are as follows:


	Three months ended
2012	March 31		June 30		September 30		December 31		Full Year
Revenues	$	104,608	$	108,030	$	112,639	$	117,653	$	442,930
Gross profit		37,936		41,985		43,989		47,144		171,054
Net income	$	8,916	$	9,054	$	11,703	$	12,163	$	41,836
Earnings Per Share:
Basic	$	0.28	$	0.28	$	0.36	$	0.38	$	1.31
Diluted	$	0.27	$	0.27	$	0.35	$	0.36	$	1.26

Weighted-average number of shares used in computing earnings per share:
Basic		31,445,592		31,970,881		32,154,001		32,297,414		31,968,386
Diluted		32,783,855		33,096,607		33,283,854		33,514,446		33,171,105
Note:
Stock compensation expense	$	2,743	$	2,715	$	1,871	$	2,087	$	9,416
Amortization of intangibles	$	1,394	$	1,365	$	1,324	$	1,555	$	5,638


	Three months ended
2011	March 31		June 30		September 30		December 31		Full Year
Revenues	$	72,907	$	85,028	$	100,026	$	102,580	$	360,541
Gross profit		28,688		33,030		38,271		40,565		140,554
Net income	$	8,361	$	8,475	$	8,391	$	9,553	$	34,780
Earnings Per Share:
Basic	$	0.28	$	0.28	$	0.28	$	0.31	$	1.15
Diluted	$	0.27	$	0.27	$	0.27	$	0.29	$	1.10

Weighted-average number of shares used in computing earnings per share:
Basic		29,620,218		29,859,811		30,293,114		31,266,183		30,264,805
Diluted		30,911,066		31,043,426		31,586,936		32,623,251		31,546,144
Note:
Stock compensation expense	$	2,248	$	2,879	$	2,160	$	2,175	$	9,462
Amortization of intangibles	$	636	$	913	$	1,395	$	1,385	$	4,329

Note: Figures for the quarters may not be comparable due to acquisitions in 2011 and 2012.

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

+ References + Details

Segment Information

12 Months Ended

Dec. 31, 2012

Segment Information [Abstract]

Segment Information

4. Segment Information

The Company is organized around its outsourcing services and transformation services segments. The Company’s recent acquisition of Landacorp, Inc. (“Landacorp”) is classified within the outsourcing services segment. See Note 5 for further details regarding the acquisition of Landacorp (the “Landacorp Acquisition”).

The chief operating decision maker generally reviews financial information at the consolidated statement of income level but does not review any information except for revenues and cost of revenues of the individual segments. Therefore, the Company does not allocate or evaluate operating expenses, interest expense or income, capital expenditures, and income taxes to its operating segments. Consequently, it is not practical to show assets, capital expenditures, depreciation or amortization by segment.

Revenues and cost of revenues for each of the years ended December 31, 2012, 2011 and 2010, for outsourcing services and transformation services segments, respectively, are as follows:


	Year ended December 31, 2012							Year ended December 31, 2011
	Outsourcing Services		Transformation Services		Total			Outsourcing Services		Transformation Services		Total
Revenues	$	366,767	$	76,163	$	442,930		$	294,361	$	66,180	$	360,541
Cost of revenues (exclusive of depreciation and amortization)		222,860		49,016		271,876			178,301		41,686		219,987

Gross profit	$	143,907	$	27,147	$	171,054		$	116,060	$	24,494	$	140,554

Operating expenses						113,822							99,236
Other income/(expense)						(512	)						5,330
Income tax provision						14,884							11,868

Net income					$	41,836						$	34,780


	Year ended December 31, 2010
	Outsourcing Services		Transformation Services		Total
Revenues	$	192,095	$	60,658	$	252,753
Cost of revenues (exclusive of depreciation and amortization)		113,461		37,824		151,285

Gross profit	$	78,634	$	22,834	$	101,468

Operating expenses						74,945
Other income/(expense)						5,566
Income tax provision						5,497

Net income					$	26,592

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 40
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Business Combinations, Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2012

Business Combinations, Goodwill and Intangible Assets [Abstract]

Business Combinations, Goodwill and Intangible Assets

5. Business Combinations, Goodwill and Intangible Assets

On October 12, 2012, the Company acquired Landacorp Inc., a leading provider of healthcare solutions and technology (the “Landacorp Acquisition”). Landacorp has more than 50 million lives under management on its software platforms and has developed services and technology solutions that share vital clinical data with payers, providers, plan participants and accountable care organizations. The Landacorp Acquisition furthers the Company’s strategic intent to continue investing in the healthcare domain and strengthen its capabilities to serve the U.S. healthcare industry and continue to invest in building processes, analytics and platform capabilities in its focused verticals. Accordingly, the Company paid a premium for the acquisition which is being reflected in the goodwill recognized from the purchase price allocation of the total consideration paid by the Company.

The total purchase price of the acquisitions is as follows:


Enterprise Value	$	37,500
Add: Working capital adjustments*		1,183

Total purchase price	$	38,683

*Paid in January 2013.

The Company’s preliminary purchase price allocation for the acquisitions is as follows:


	Amount
	(In thousands)
Net tangible assets	$	10,727
Identifiable intangible assets:
Customer relationships		7,095
Developed technology		5,313
Trade names		549
Goodwill		14,999

Total purchase price*	$	38,683

* Includes $4,500 deposited in escrow accounts in connection with the acquisition.

Under ASC topic 805, “Business Combinations,” the preliminary allocation of the purchase price to the tangible and intangible assets and liabilities acquired may change up to a period of one year from the date of acquisition. Accordingly, the Company may adjust the amounts recorded as of December 31, 2012 to reflect any revised valuations of the assets acquired or liabilities assumed. The Company’s purchase accounting as of December 31, 2012 was incomplete primarily due to the pending final assessment of the realizability of the Landacorp’s federal and state net operating losses in the U.S. and valuation of intangibles as of October 12, 2012. The total amount of deferred tax assets recognized for the acquired federal and state net operating losses is approximately $6,004 as of December 31, 2012 and is included under “deferred tax assets” in the consolidated financial statements.

The customer relationships and developed technology from the Landacorp Acquisition are being amortized over a weighted average life of 10.0 years. Similarly, trade names are being amortized over a life of 5.0 years.

During the year ended December 31, 2012, the Company recognized $450 of acquisition-related costs. Such amounts are included under general and administrative expenses in the audited consolidated statements of income.

Our results of operations for the year ended December 31, 2012 include $4,022 of revenues and insignificant net income since the Landacorp Acquisition was consummated.

Goodwill

The following table sets forth details of the Company’s goodwill balance as of December 31, 2012:


	Outsourcing Services			Transformation Services		Total
Balance at January 1, 2011	$	26,585		$	16,785	$	43,370
Goodwill arising from OPI acquisition		54,604			—		54,604
Currency translation adjustments		(5,687	)		—		(5,687	)

Balance at December 31, 2011	$	75,502		$	16,785	$	92,287
Goodwill arising from Landacorp acquisition		14,999			—		14,999
Purchase accounting adjustments ⁽¹⁾		422			—		422
Currency translation adjustments		(1,037	)		—		(1,037	)

Balance at December 31, 2012	$	89,886		$	16,785	$	106,671

(1)

Relates to the acquisition of Business Process outsourcing Inc. (“OPI”) on May 31, 2011 (the “OPI Acquisition”) pertaining to service tax receivables included under “other current assets” in the consolidated balance sheet as of December 31, 2011.

The entire amount of goodwill recognized from the OPI Acquisition in 2011 and Landacorp Acquisition in 2012 is not deductible for tax purposes.

Based on the results of its impairment testing performed during the year ended December 31, 2012, the Company’s goodwill was not impaired. The Company makes every reasonable effort to ensure that it accurately estimates the fair value of the reporting units. However, future changes in the assumptions used to make these estimates could result in the recording of an impairment loss.

Intangible Assets

Information regarding the Company’s intangible assets is set forth below:


	As of December 31, 2012
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	40,159	$	(7,832	)	$	32,327
Leasehold benefits		3,355		(1,213	)		2,142
Developed technology		7,445		(683	)		6,762
Non-compete agreements		1,316		(1,316	)		—
Trade names and trademarks		3,270		(979	)		2,291

	$	55,545	$	(12,023	)	$	43,522


	As of December 31, 2011
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	33,100	$	(4,456	)	$	28,644
Leasehold benefits		3,474		(668	)		2,806
Developed technology		2,133		(351	)		1,782
Non-compete agreements		1,316		(606	)		710
Trade names and trademarks		2,722		(351	)		2,371

	$	42,745	$	(6,432	)	$	36,313

Amortization expense for the years ended December 31, 2012, 2011 and 2010 was $5,638, $4,329 and $2,024, respectively. The weighted average life of intangible assets was 10.1 years for customer relationships, 6.8 years for leasehold benefits, 10.0 years for developed technology, 1.5 years for non-compete agreements and 3.5 years for trade names and trademarks excluding indefinite life trade names and trademarks. The Company had $900 of indefinite lived trade names and trademarks as of December 31, 2012 and December 31, 2011.


Estimated amortization of intangible assets during the year ending December 31,
2013	$	5,749
2014	$	5,294
2015	$	5,044
2016	$	5,042
2017	$	5,012

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Number 88-16
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Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph F4
-Subparagraph e
-Appendix F

Reference 18: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 51, 52
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 19: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Fair Value Measurements

12 Months Ended

Dec. 31, 2012

Fair Value Measurements [Abstract]

Fair Value Measurements

6. Fair Value Measurements

ASC topic 820, “Fair Value Measurements and Disclosures” (ASC No. 820) defines fair value as the price that would be received upon sale of an asset or paid upon transfer of a liability in an orderly transaction between market participants at the measurement date and in the principal or most advantageous market for that asset or liability. The fair value should be calculated based on assumptions that market participants would use in pricing the asset or liability, not on assumptions specific to the entity. In addition, the fair value of liabilities should include consideration of non-performance risk, including the Company’s own credit risk.

ASC No. 820 establishes a three-level hierarchy of fair value measurements based on whether the inputs to those measurements are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. The fair-value hierarchy requires the use of observable market data when available and consists of the following levels:

•

Level 1—Quoted prices for identical instruments in active markets;

•

Level 2—Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs are observable in active markets; and

•

Level 3—Valuations derived from valuation techniques in which one or more significant inputs are unobservable.

The following table sets forth the Company’s assets and liabilities that were accounted for at fair value as of December 31, 2012 and 2011. The table excludes short-term investments, accounts receivable, accounts payable and accrued expenses for which fair values approximate their carrying amounts.

Assets and Liabilities Measured at Fair Value

The assets and liabilities measured at fair value on recurring basis are summarized below:


As of December 31, 2012	Level 1		Level 2		Level 3		Total
Assets
Money market and mutual funds	$	64,766	$	—	$	—	$	64,766
Derivative financial instruments		—		1,730		—		1,730

Total	$	64,766	$	1,730	$	—	$	66,496

Liabilities
Derivative financial instruments	$	—	$	9,861	$	—	$	9,861

Total	$	—	$	9,861	$	—	$	9,861


As of December 31, 2011	Level 1		Level 2		Level 3		Total
Assets
Money market and mutual funds	$	42,067	$	—	$	—	$	42,067
Derivative financial instruments		—		32		—		32

Total	$	42,067	$	32	$	—	$	42,099

Liabilities
Derivative financial instruments	$	—	$	17,729	$	—	$	17,729

Total	$	—	$	17,729	$	—	$	17,729

Derivative Financial Instruments: The Company’s derivative financial instruments consist of foreign currency forward exchange contracts. Fair values for derivative financial instruments are based on independent sources including highly rated financial institutions and are classified as Level 2. See Note 7 for further details on Derivatives and Hedge Accounting.

- Definition

The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Derivatives and Hedge Accounting

12 Months Ended

Dec. 31, 2012

Derivatives and Hedge Accounting [Abstract]

Derivatives and Hedge Accounting

7. Derivatives and Hedge Accounting

The Company uses derivative instruments and hedging transactions to mitigate exposure to foreign currency fluctuation risks associated with forecasted transactions denominated in certain foreign currencies and to minimize earnings and cash flow volatility associated with changes in foreign currency exchanges rates. The Company’s derivative financial instruments are largely forward foreign exchange contracts that are designated effective and that qualify as cash flow hedges under ASC topic 815, “Derivatives and hedging” (ASC No. 815). The Company also uses derivatives consisting of foreign currency exchange contracts not designated as hedging instruments under ASC No. 815 to hedge intercompany balances and other monetary assets or liabilities denominated in currencies other than the Company’s functional currency. The Company’s primary exchange rate exposure is with the U.K. pound sterling and the Indian rupee. The Company also has exposure in Philippine pesos, Czech koruna and other local currencies in which it operates.

The Company had outstanding foreign exchange contracts totaling $221,255 and GBP 11,544 as of December 31, 2012 and totaling $235,866 and GBP 10,368 as of December 31, 2011. The Company estimates that approximately $5,269 of net derivative losses included in accumulated other comprehensive loss could be reclassified into earnings within the next 12 months based on exchange rates prevailing as of December 31, 2012. At December 31, 2012, the maximum outstanding term of derivative instruments that hedge forecasted transactions was thirty three months.

The Company evaluates hedge effectiveness at the time a contract is entered into as well as on an ongoing basis. If during this time, a contract is deemed ineffective, the change in the fair value is recorded in the consolidated statements of income and is included in foreign exchange (loss)/gain. For hedging positions that are discontinued because the forecasted transaction is not expected to occur by the end of the originally specified period, any related derivative amounts recorded in equity are reclassified to earnings. No significant amounts of gains or losses were reclassified from AOCI into earnings as a result of forecasted transactions that failed to occur during the year ended December 31, 2012 and 2011.

The following tables set forth the fair value of the foreign currency exchange contracts and their location on the consolidated financial statements:

Derivatives designated as hedging instruments:


	December 31, 2012		December 31, 2011
Other current assets:
Foreign currency exchange contracts	$	980	$	—
Other assets:
Foreign currency exchange contracts	$	750	$	—
Accrued expenses and other current liabilities:
Foreign currency exchange contracts	$	6,249	$	9,170
Other non-current liabilities:
Foreign currency exchange contracts	$	3,458	$	8,559

Derivatives not designated as hedging instruments:


	December 31, 2012		December 31, 2011
Other current assets:
Foreign currency exchange contracts	$	—	$	32
Accrued expenses and other current liabilities:
Foreign currency exchange contracts	$	154	$	—

The following tables set forth the effect of foreign currency exchange contracts on the consolidated statements of income for the years ended December 31, 2012 and 2011:


Derivatives in Cash Flow Hedging Relationships	Amount of Gain/ (Loss) Recognized in AOCI on Derivative (Effective Portion)					Location of Gain/(Loss) Reclassified from AOCI into Income (Effective Portion)	Amount of Gain/ (Loss) Reclassified from AOCI into Income (Effective Portion)					Location of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion And Amount Excluded from Effectiveness Testing)
		2012		2011				2012			2011			2012		2011
Foreign exchange contracts	$	708	$	(20,329	)	Foreign exchange (loss)/gain	$	(9,044	)	$	1,600	Foreign exchange (loss)/gain	$	—	$	—


		Amount of Gain/(Loss) Recognized in Income on
Derivatives not designated as Hedging Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Derivatives
Derivatives not designated as Hedging Instruments		2012		2011
Foreign exchange contracts	Foreign exchange (loss)/gain	$	2,076	$	(5,482	)

- Definition

The entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
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+ Details

Fixed Assets

12 Months Ended

Dec. 31, 2012

Fixed Assets [Abstract]

Fixed Assets

8. Fixed Assets

Fixed assets consist of the following:


	December 31, 2012			December 31, 2011
Owned Assets:
Network equipment, computers and software	$	63,463		$	55,499
Buildings		1,408			1,498
Land		985			980
Leasehold improvements		23,919			21,733
Office furniture and equipment		10,695			9,011
Motor vehicles		638			828
Capital work in progress		1,707			2,737

		102,815			92,286
Less: Accumulated depreciation and amortization		(65,581	)		(54,736	)

	$	37,234		$	37,550

Assets under capital leases:
Network equipment, computers and software	$	361		$	474
Leasehold improvements		2,454			2,541
Office furniture and equipment		1,432			1,645
Motor vehicles		954			882

		5,201			5,542
Less: Accumulated depreciation and amortization		(2,196	)		(772	)

	$	3,005		$	4,770

Fixed assets, net	$	40,239		$	42,320

Depreciation and amortization expense excluding amortization of acquisition related intangibles for the year ended December 31, 2012, 2011 and 2010 was $19,985, $18,665 and $13,811, respectively.

Capital work in progress represents advances paid towards acquisition of fixed assets and the cost of fixed assets not yet ready to be placed in service.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

+ References + Details

Capital Structure

12 Months Ended

Dec. 31, 2012

Capital Structure [Abstract]

Capital Structure

9. Capital Structure

Common Stock

The Company has one class of common stock outstanding.

During the year ended December 31, 2012 and 2011, the Company acquired 12,865 and 9,596 shares of common stock, respectively from employees in connection with withholding tax payments related to the vesting of restricted stock for a total consideration of $331 and $185, respectively. The weighted average purchase price of $25.78 and $19.26, respectively was the average of the high and low price of the Company’s share of common stock on the Nasdaq Global Select Market on the trading day prior to the vesting date of the shares of restricted stock. The shares acquired are held as treasury stock.

On September 19, 2011, the Company completed a public offering of its common stock. The Company sold 1,000,000 shares of its common stock and certain selling stockholders sold an aggregate of 3,000,000 shares of common stock at a price of $23.00 per share less underwriting discount. The Company received net proceeds of $21,526 from the offering.

During the year ended December 31, 2011, the Company acquired 61,299 shares of common stock for a total consideration of $1,439 in pursuance of an option agreement between the Company and Prudential Financial, Inc. (Prudential) dated July 1, 2004. The purchase price of $23.47 per share was the average closing price for the 30-day period on the Nasdaq Global Select Market preceding the date of exercise of options by Prudential. The shares acquired are held as treasury stock.

Employee Benefit Plans

12 Months Ended

Dec. 31, 2012

Employee Benefit Plans [Abstract]

Employee Benefit Plans

10. Employee Benefit Plans

The Company’s Gratuity Plans in India and the Philippines provides a lump sum payment to vested employees on retirement or on termination of employment in an amount based on the respective employee’s salary and years of employment with the Company. Liabilities with regard to the Gratuity Plans are determined by actuarial valuation using the projected unit credit method. Current service costs for the Gratuity Plan are accrued in the year to which they relate. Actuarial gains or losses or prior service costs, if any, resulting from amendments to the plans are recognized and amortized over the remaining period of service of the employees.

The benefit obligation has been measured as of December 31, 2012. The following table sets forth the activity and the funded status of the Gratuity Plan and the amounts recognized in the Company’s consolidated financial statements at the end of the relevant periods:


	December 31,
	2012			2011
Change in projected benefit obligation:
Benefit obligation at the beginning of the year	$	4,429		$	2,883
Service cost		1,027			792
Interest cost		414			302
Benefits paid		(595	)		(333	)
Actuarial loss		361			351
Acquisitions		—			1,082
Effect of exchange rate changes		(145	)		(648	)

Projected benefit obligation at the end of the year	$	5,491		$	4,429

Unfunded amount—non-current	$	2,380		$	3,068
Unfunded amount—current		910			346

Total accrued liability	$	3,290		$	3,414

Accumulated benefit obligation	$	4,141		$	3,316

Net gratuity cost includes the following components:


	Year ended December 31,
	2012			2011			2010
Service cost	$	1,027		$	792		$	526
Interest cost		414			302			152
Expected return on plan assets		(72	)		(24	)		—
Actuarial loss		125			103			167

Net gratuity cost	$	1,494		$	1,173		$	845

The amount in accumulated other comprehensive loss that is expected to be recognized as a component of net periodic benefit cost over the next fiscal year is $149. The components of accumulated other comprehensive income that has not been recognized as components of net gratuity cost in the statement of income as of December 31, 2012 is as follows:


	December 31,
	2012		2011
Net actuarial loss	$	694	$	600
Net prior service cost		11		11

Accumulated other comprehensive loss, net of tax	$	705	$	611

The weighted average actuarial assumptions used to determine benefit obligations and net periodic gratuity cost are:


	December 31,
	2012			2011			2010
Discount rate		8.5	%		9.1	%		8.7	%
Rate of increase in compensation levels		8.2	%		8.4	%		8.0	%

The Company evaluates these assumptions annually based on its long-term plans of growth and industry standards. The discount rates are based on current market yields on government securities adjusted for a suitable risk premium.


Expected benefit payments during the year ending December 31,
2013	$	1,693
2014	$	1,526
2015	$	1,409
2016	$	1,302
2017	$	1,121
2018 to 2022	$	2,940

The Gratuity Plans in India are partially funded and are managed and administered by Life Insurance Corporation of India and HDFC Standard Life Insurance Company. They calculate the annual contribution required to be made by the Company and manage the Gratuity Plans, including any required payouts. Fund managers manage these funds on a cash accumulation basis and declare interest retrospectively on March 31 of each year. The Company expects the return on the Gratuity Plans to be approximately 8.5% per annum for the year ended March 31, 2013.


Change in Plan Assets
Plan assets at January 1, 2012	$	1,015
Employer contribution		1,089
Actual return		72
Actuarial gain		92
Effect of exchange rate changes		(67	)

Plan assets at December 31, 2012	$	2,201

The Company maintains the Exl Service Inc. 401(k) Plan under Section 401(k) of the Internal Revenue Code of 1986, covering all eligible employees, as defined. The Company may make discretionary contributions of up to a maximum of 3% of employee compensation within certain limits. The Company has made provisions for contributions to the 401(k) Plan amounting to $942, $662 and $269 during the years ended December 31, 2012, 2011 and 2010, respectively. The increase in contributions in 2012 compared to 2011 is primarily due to the Company’s acquisitions of OPI and Trumbull in 2011 and increased participation by employees.

During the years ended December 31, 2012, 2011 and 2010, the Company contributed the following amounts to various defined contribution plans on behalf of its employees in India, the Philippines, Bulgaria, Malaysia and the Czech Republic:


Year ended December 31, 2012	$	5,626
Year ended December 31, 2011	$	5,011
Year ended December 31, 2010	$	3,648

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Implementation Guide (Q and A)
-Number FAS88
-Paragraph 63
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-2
-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph q
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 8
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 158
-Paragraph 7, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS106-2
-Paragraph 20, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 30
-Paragraph 26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Leases

12 Months Ended

Dec. 31, 2012

Leases [Abstract]

Leases

11. Leases

The Company finances its use of certain computer hardware, leasehold improvements, furniture, fixtures, office equipment and motor vehicles under various lease arrangements provided by financial institutions. Future minimum lease payments under these capital leases as of December 31, 2012 are as follows:


Year ending December 31,
2013	$	2,032
2014		1,492
2015		1,118
2016		356
2017		9

Total minimum lease payments		5,007
Less: amount representing interest		643

Present value of minimum lease payments		4,364
Less: current portion		1,685

Long term capital lease obligation	$	2,679

The Company conducts its operations using facilities leased under non-cancelable operating lease agreements that expire at various dates. Future minimum lease payments under non-cancelable agreements expiring after more than twelve months are set forth below:


Year ending December 31,
2013	$	8,058
2014		7,447
2015		5,993
2016		2,716
2017		752
2018 and thereafter		1,112

	$	26,078

The operating leases are subject to renewal periodically and have scheduled rent increases. The Company accounts for scheduled rent on a straight line basis over the lease period. Rent expense under both cancelable and non-cancelable operating leases was $17,860, $14,599 and $9,808 for the years ended December 31, 2012, 2011 and 2010, respectively. Deferred rent as of December 31, 2012 and 2011 was $4,893 and $3,815, respectively, and is included in “Accrued expenses and other current liabilities” and “Non-current liabilities” in the consolidated balance sheets.

- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

+ References + Details

Income Taxes

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Income Taxes

12. Income Taxes

The components of income before income taxes consist of the following:


	Year ended December 31,
	2012		2011		2010
Domestic	$	22,046	$	6,012	$	5,964
Foreign		34,674		40,636		26,125

	$	56,720	$	46,648	$	32,089

The income tax provision consists of the following:


	Year ended December 31,
	2012		2011			2010
Current provision:
Domestic	$	4,519	$	1,433		$	4,380
Foreign		5,638		12,140			3,492

	$	10,157	$	13,573		$	7,872

Deferred provision/(benefit):
Domestic	$	4,371	$	1,999		$	(1,431	)
Foreign		356		(3,704	)		(944	)

	$	4,727	$	(1,705	)	$	(2,375	)

Income tax provision	$	14,884	$	11,868		$	5,497

The effective income tax rate differs from the amount computed by applying the U.S. federal statutory income tax rate to income before income taxes approximately as follows:


	December 31,
	2012			2011			2010
Expected tax provision	$	19,852		$	16,327		$	11,231
Change in valuation allowance		(254	)		(1,702	)		367
Impact of tax holiday		(3,219	)		(3,234	)		(2,573	)
Foreign tax rate differential		(1,071	)		(1,033	)		(363	)
Deferred tax provision/(benefit)		356			(694	)		(1,179	)
Unrecognized tax benefits and interest		(2,083	)		877			(2,848	)
State taxes, net of Federal taxes		620			841			550
Non-deductible expenses		591			427			115
Other		92			59			197

Tax provision	$	14,884		$	11,868		$	5,497

The fiscal year under the Indian Income Tax Act ends on March 31. Certain of the Company’s operations centers in India qualified for an exemption from corporate tax under the Indian Income Tax Act which expired on April 1, 2011. Therefore, profits generated from the services provided from such operations centers have become fully taxable and consequently, the Company’s tax expense increased from 2011 and may continue to be higher going forward.

The Company benefited from a four-year income tax holiday that expired in May 2012. The tax benefit is extendable by two successive one-year periods on fulfillment of certain performance and investment criteria. The Company had fulfilled such obligations and had applied to the Philippines Economic Zone Authority (“PEZA”) for an extension of the tax holiday. In February 2013, the Company received a formal communication from PEZA approving a one year extension retroactively from May 2012. The Company’s new operations center in the Philippines, which began operations in January 2012, benefits from a separate four-year income tax holiday that can be extended at PEZA’s discretion. While the Company is reasonably certain that PEZA will extend these tax holidays, it is possible that such extension requests may be denied, or that these tax holidays may be conditioned or removed entirely due to changes in applicable legislation by the government of the Philippines. Should any of these events occur, the Company’s tax liability in the Philippines would likely increase.

The Company’s operations centers in Jaipur and Noida, India, which were established in Special Economic Zones (“SEZ”) in 2010, are eligible for tax incentives until 2020. As part of the OPI Acquisition, the Company also acquired operations centers in Bengaluru and Kochi, India that are also established in SEZs. The operations center in Bengaluru completed its first five years of operations on March 31, 2012. Under the tax regulations, the Bengaluru operations center is entitled to a 50% tax exemption on export profits for five years from April 1, 2012, for an additional five year period. Our tax expense for the Bengaluru center has increased after April 1, 2012 and will further increase after the expiry of a further five year. The Company also established a new operations center in Pune, India in June 2012, which is located in an SEZ. The Company anticipates establishing additional operations centers in SEZs or other tax advantaged locations in the future.

The diluted earnings per share effect of the tax holiday is $0.10, $0.10 and $0.08 for the years ended December 31, 2012, 2011 and 2010, respectively.

The components of the deferred tax balances as of December 31, 2012 and 2011 are as follows:


	December 31,
	2012			2011
Deferred tax assets:
Tax credit carry forward	$	2,932		$	2,793
Depreciation and amortization		5,955			5,060
Share-based compensation		5,361			4,787
Accrued employee costs and other expenses		2,660			3,412
Net operating loss carry forwards		13,553			7,947
Unrealized exchange loss		3,204			5,612
Deferred rent		851			212
Allowance for doubtful accounts		59			48
Others		1,160			851

	$	35,735		$	30,722
Valuation allowance		(665	)		(919	)

Deferred tax assets	$	35,070		$	29,803

Deferred tax liabilities:
Unrealized exchange gain	$	70		$	—
Intangible assets		14,401			7,080

Deferred tax liabilities:	$	14,471		$	7,080

Net deferred tax assets	$	20,599		$	22,723

Deferred tax assets and liabilities are recognized for future tax consequences attributable to temporary differences between the financial statement carrying values of assets and liabilities and their respective tax bases and operating loss carry forwards. At December 31, 2012 and 2011, the Company performed an analysis of the deferred tax asset valuation allowance for net operating loss carry forward for its domestic entities. Based on this analysis, the Company continues to carry a valuation allowance on the deferred tax assets on net operating loss carry forwards. Accordingly, the Company has recorded a valuation allowance as of December 31, 2012 and 2011 of $665 and $919, respectively.

As a result of the OPI Acquisition and the Landacorp Acquisition, the Company acquired federal and state net operating losses in the United States. Thus, as of December 31, 2012, the Company has federal net operating loss carry forwards of approximately $34,700, which expire through various years till 2032. The Company’s federal net operating loss carry forwards are subject to certain annual utilization limitations under Section 382 of the United States Internal Revenue Code. The Company also has state and local net operating loss carry forwards of varying amounts, which are subject to limitations under the applicable rules and regulations of those taxing jurisdictions. The Company estimates that it will be able to utilize all of the losses before their expiration.

Our Indian subsidiaries are liable to pay Minimum Alternative Tax (MAT) under the domestic tax laws. As of December 31, 2012 and 2011 deferred income taxes related to the MAT were $2,932 and $2,793, respectively expiring through various years until 2024.

At December 31, 2012 and 2011, no deferred income taxes have been provided for the Company’s share of undistributed net earnings of foreign operations due to management’s intent to reinvest such amounts indefinitely. The determination of the amount of such unrecognized deferred taxes is not practical. Those earnings totaled approximately $153,906 and $125,226 as of December 31, 2012 and 2011, respectively.

The Company’s provision for income taxes also includes the impact of provisions established for uncertain income tax positions determined in accordance with ASC No. 740, “Income Taxes,” as well as the related net interest. Tax exposures can involve complex issues and their resolution may require extended periods. Although the Company believes that it has adequately reserved for its uncertain tax positions, no assurance can be given that the final tax outcome of these matters will not be different. The Company adjusts these reserves in light of changing facts and circumstances, such as the closing of a tax audit or the refinement of an estimate. To the extent that the final tax outcome of these matters differs from the amounts recorded, such differences will impact the provision for income taxes in the period in which such determination is made.

The following table summarizes the activity related to the gross unrecognized tax benefits from January 1, 2012 through December 31, 2012:


Balance as of January 1, 2012	$	5,324
Increases related to prior year tax positions		—
Decreases related to prior year tax positions		(2,245	)
Increases related to current year tax positions		339
Decreases related to current year tax positions		(339	)
Effect of exchange rate changes		(60	)

Balance as of December 31, 2012	$	3,019

The unrecognized tax benefits as of December 31, 2012 of $3,019, if recognized, would impact the effective tax rate.

The Company has recognized interest and penalties of $23 during the year ended December 31, 2012, which is included in the income tax provision in the consolidated statements of income. The unrecognized tax benefits may increase or decrease in the next twelve months depending on the Company’s tax positions.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43, 44, 45, 46, 47, 48, 49
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Stock-Based Compensation

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation [Abstract]

Stock-Based Compensation

13. Stock Based Compensation

In 2006, the Company instituted the ExlService Holdings, Inc. 2006 Omnibus Award Plan (the 2006 Plan) which replaced the 2003 Plan. The 2006 Plan covers all of the employees of the Company. Under the 2006 Plan, the Committee may grant awards of nonqualified stock options, incentive stock options, stock appreciation rights, restricted stock, restricted stock units, stock bonus awards, performance compensation awards (including cash bonus awards) or any combination of the foregoing.

The Committee determines which employees are eligible to receive the equity awards, the number of equity awards to be granted, the exercise price, the vesting period and the exercise period. The vesting period for the equity award issued is determined on the date of the grant and is non-transferable during the life of the equity award. The majority of options expire ten years from the date of grant and generally vest incrementally over a period of four years from the date of grant with 10% vesting at the end of year one, 20% vesting at the end of year two, 30% vesting at the end of year three and 40% vesting at the end of year four. Pursuant to the 2006 Plan, the Company reserved 3,399,384 shares of common stock (in addition to the available pool of 329,854 shares from the 2003 plan) for the granting of equity awards. If an employee resigns or is terminated, the employee must exercise any vested options within 90 days after termination or the vested options are forfeited. At a special meeting of the Company’s stockholders held on January 29, 2009, the Company’s stockholders approved, among other things, an amendment to the 2006 Plan to increase the number of shares of its common stock issuable there under by 4,000,000 shares, which brought the total number of shares reserved under the plan to 7,729,238.

Effective January 1, 2006, the Company adopted guidance under ASC No. 718, using the modified prospective method of transition. Under the provisions of this guidance, the estimated fair value of share-based awards granted under stock incentive plans is recognized as compensation expense over the vesting period. Using the modified prospective method, compensation expense is recognized beginning with the effective date of adoption of this guidance for all share based payments (i) granted after the effective date of adoption and (ii) granted prior to the effective date of adoption and that remain unvested on the date of adoption.

The following costs related to the Company’s stock-based compensation plan are included in the consolidated statement of income:


	Year ended December 31,
	2012		2011		2010
Cost of revenues	$	1,893	$	1,635	$	1,593
General and administrative expenses		4,551		4,589		3,838
Selling and marketing expenses		2,972		3,238		3,060

Total	$	9,416	$	9,462	$	8,491

The fair value of each stock option granted to employees is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions:


	Year ended December 31,
	2012			2011			2010
Dividend yield		0	%		0	%		0	%
Expected life (years)		5.38			5.58			4.65
Risk free interest rate		0.97	%		2.16	%		1.84	%
Volatility		40	%		40	%		44	%

The estimated expected term of options granted has been based on historical experience since October 2006, which is representative of the expected term of the options. Volatility has been calculated based on the volatility of the Company’s common stock and the volatility of stocks of comparative companies. The risk-free interest rate that the Company uses in the option valuation model is based on U.S. treasury zero-coupon bonds with a remaining term similar to the expected term of the options.

The Company does not anticipate paying any cash dividends in the foreseeable future and therefore uses an expected dividend yield of zero in the option valuation model. The Company is required to estimate forfeitures at the time of grant and revise those estimates in subsequent periods if actual forfeitures differ from those estimates. The Company uses historical data to estimate pre-vesting option forfeitures and records stock-based compensation expense only for those awards that are expected to vest. All stock-based payment awards are amortized on a straight-line basis over the requisite service periods of the awards, which are generally the vesting periods.

Stock option activity under the Company’s stock plans is shown below:


	Number of Options			Weighted- Average Exercise Price		Aggregate Intrinsic Value		Weighted- Average Remaining Contractual Life (Years)
Outstanding at December 31, 2009		3,188,066		$	11.52
Granted		326,319			18.03
Exercised		(278,118	)		10.88
Forfeited		(160,650	)		13.51

Outstanding at December 31, 2010		3,075,617		$	12.17
Granted		360,867			20.41
Exercised		(342,166	)		11.97
Forfeited		(64,190	)		10.06

Outstanding at December 31, 2011		3,030,128		$	13.22
Granted		416,129			25.36
Exercised		(793,053	)		12.11
Forfeited		(198,570	)		17.35

Outstanding at December 31, 2012		2,454,634		$	15.30	$	27,554		6.38

Vested and exercisable at December 31, 2012		1,289,428			13.45	$	16,823		5.40

Available for grant at December 31, 2012		2,229,618

The unrecognized compensation cost for unvested options as of December 31, 2012, is $5,158, which is expected to be expensed over a weighted average period of 2.41 years. The weighted-average fair value of options granted during the years ended December 31, 2012, 2011 and 2010 was $9.43, $8.16 and $7.10, respectively. The total grant date fair value of options vested during the years ended December 31, 2012, 2011 and 2010 was $3,000, $3,099 and $3,481, respectively. The aggregate intrinsic value of options exercised during the years ended December 31, 2012, 2011 and 2010 was $12,020, $4,180 and $2,416, respectively.

The following table summarizes the status of the Company’s stock options outstanding and stock options vested and exercisable at December 31, 2012:


	Options Outstanding				Options Vested and Exercisable
Range of Exercise Prices	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
$0.12 to $0.17		10,000	$	0.12		10,000	$	0.12
$8.00 to $15.00		1,225,088		9.87		818,908		10.35
$15.01 to $24.00		860,506		19.08		457,870		19.23
$24.01 to $36.15		359,040		25.18		2,650		24.81

Total		2,454,634	$	15.30		1,289,428	$	13.45

Subsequent to December 31, 2012, the Company granted 14,301 stock options and 437,880 restricted stock units to its employees and directors.

Restricted Stock and Restricted Stock Units

An award of restricted stock is a grant of shares subject to conditions and restrictions set by the Committee. The grant or the vesting of an award of restricted stock may be conditioned upon service to the Company or its affiliates or upon the attainment of performance goals or other factors, as determined in the discretion of the Committee. The Committee may also, in its discretion, provide for the lapse of restrictions imposed upon an award of restricted stock. Holders of an award of restricted stock may have, with respect to the restricted stock granted, all of the rights of a stockholder, including the right to vote and to receive dividends.

The Committee is authorized to award restricted stock units to participants. The Committee establishes the terms, conditions and restrictions applicable to each award of restricted stock units, including the time or times at which restricted stock units will be granted or vested and the number of units to be covered by each award. The terms and conditions of each restricted stock award will be reflected in a restricted stock unit agreement.

Restricted stock and restricted stock unit activity under the Company’s stock plans is shown below:


	Restricted Stock					Restricted Stock Units
	Number			Weighted- Average Intrinsic Value		Number			Weighted- Average Intrinsic Value
Outstanding at December 31, 2009		379,810		$	21.78		28,000		$	14.04
Granted		—			—		643,819			18.14
Vested		(134,242	)		19.25		(28,000	)		14.04
Forfeited		(9,683	)		15.66		(19,004	)		18.42

Outstanding at December 31, 2010		235,885		$	23.47		624,815		$	18.13
Granted		—			—		460,972			20.84
Vested		(152,962	)		19.02		(108,670	)		18.39
Forfeited		(19,089	)		19.70		(37,458	)		18.89

Outstanding at December 31, 2011*		63,834		$	18.41		939,659		$	19.40
Granted		—			—		389,050			25.07
Vested		(55,726	)		18.26		(198,842	)		19.27
Forfeited		(2,901	)		23.82		(103,956	)		21.41

Outstanding at December 31, 2012*		5,207		$	17.58		1,025,911		$	21.36

*	Excludes 24,000 restricted stock units vested during both the years ended December 31, 2012 and 2011 (124,000 and 120,000 as of December 31, 2012 and 2011, respectively) for which the underlying common stock is yet to be issued.

The fair value of restricted stock and restricted stock units is generally the market price of the Company’s shares on the date of grant. As of December 31, 2012, unrecognized compensation cost of $16,069 is expected to be expensed over a weighted average period of 2.28 years. The weighted-average fair value of restricted stock and restricted stock units under the 2006 Plan granted during the years ended December 31, 2012, 2011 and 2010 was $25.07, $20.84 and $18.14, respectively. The total grant date fair value of restricted stock and restricted stock units vested during the years ended December 31, 2012, 2011 and 2010 was $7,010, $5,456 and $2,913, respectively.

Advisory Board Options

During the year ended December 31, 2012, 2011 and 2010, the Company recorded compensation expense of $32, $21 and $58, respectively, related to stock options granted to members of the Company’s advisory board. There are no unvested stock options granted to the advisory board members as of December 31, 2012.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Geographical Information

12 Months Ended

Dec. 31, 2012

Geographical Information [Abstract]

Geographical Information

14. Geographical Information


	Year ended December 31,
	2012		2011		2010
Revenues
United States	$	320,246	$	258,807	$	182,043
United Kingdom		89,483		79,419		61,436
Rest of World		33,201		22,315		9,274

	$	442,930	$	360,541	$	252,753


	December 31, 2012		December 31, 2011
Fixed assets, net
India	$	30,422	$	35,787
United States		4,418		1,408
Philippines		4,363		3,946
Rest of World		1,036		1,179

	$	40,239	$	42,320

Commitments and Contingencies

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies [Abstract]

Commitments and Contingencies

15. Commitments and Contingencies

Fixed Asset Commitments

At December 31, 2012, the Company has committed to spend approximately $3,392 under agreements to purchase fixed assets. This amount is net of capital advances paid in respect of these purchases.

Other Commitments

Certain units of the Company’s Indian subsidiaries were established as 100% Export-Oriented units under the Software Technology Parks of India (“STPI”) scheme promulgated by the Government of India which provided the Company with certain incentives on imported and indigenous capital goods on fulfillment of certain conditions. Although the corporate tax incentives under the STPI scheme are no longer available to the Company, the units are required to fulfill such conditions for a limited time. In the event that these units are unable to meet the prescribed conditions over the specified period, the Company may be required to refund those incentives along with penalties and fines. The Company’s management believes, however, that these units have in the past satisfied and will continue to satisfy the required conditions.

The Company’s operations centers in Manila, the Philippines are registered with the Philippines Economic Zone Authority (“PEZA”). The registration provides the Company with certain fiscal incentives on the import of capital goods and requires Exl Philippines to meet certain performance and investment criteria. One of the Company’s operations centers in the Philippines benefited from a four-year income tax holiday that expired in May 2012. In February 2013, the Company received a one-year extension retroactively from May 2012 and expects to file another extension request after which no further extensions are presently permitted. The Company’s new operations center in the Philippines, which began operations in January 2012, benefits from a separate four-year income tax holiday that can be extended at PEZA’s discretion.

Contingencies

U.S. and Indian transfer pricing regulations require that any international transaction involving associated enterprises be at an arm’s-length price. Accordingly, the Company determines the appropriate pricing for the international transactions among its associated enterprises on the basis of a detailed functional and economic analysis involving benchmarking against transactions among entities that are not under common control. The tax authorities have jurisdiction to review this arrangement and in the event that they determine that the transfer price applied was not appropriate, the Company may incur increased tax liability, including accrued interest and penalties. The Company is currently involved in disputes with the Indian tax authorities over the application of some of its transfer pricing policies for some of its subsidiaries. Further, the Company and its U.S. subsidiary are engaged in tax litigation with the income-tax authorities in India on the issue of permanent establishment.

The aggregate disputed amount demanded from the Company related to its transfer pricing issues for various years ranging from tax years 2003 to 2009 and its permanent establishment issues ranging from tax years 2003 to 2008 as of December 31, 2012 and 2011 is $18,624 and $19,228, respectively of which the Company has already made payment or provided bank guarantee to the extent $14,715 and $14,156, respectively. Amounts paid as deposits in respect of such assessments aggregating to $12,307 and $11,662 as of December 31, 2012 and 2011, respectively, are included in “Other assets” and amounts deposited for bank guarantees aggregating to $2,408 and $2,494 as of December 31, 2012 and 2011, respectively, are included in “Restricted cash” in the non-current assets section of the Company’s consolidated balance sheets as of December 31, 2012 and 2011.

Based on advice from its Indian tax advisors, the facts underlying its position and its experience with these types of assessments, the Company believes that the probability of crystallization of these liabilities is remote and accordingly has not accrued any amount with respect to these matters in its consolidated financial statements. The Company does not expect any impact from these assessments on its future income tax expense. There is a likelihood that the Company might receive similar orders for subsequent years. Even if these disputes are resolved, the Indian tax authorities may still serve additional orders.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Basis of Preparation and Principles of Consolidation

Basis of Preparation and Principles of Consolidation

Use of Estimates

Use of Estimates

Foreign Currency Translation

Foreign Currency Translation

Revenue Recognition

Revenue Recognition

Revenues for the following periods include reimbursements of out-of-pocket expenses:


Year ended December 31, 2012	$	18,862
Year ended December 31, 2011	$	16,073
Year ended December 31, 2010	$	11,820

Cash and Cash Equivalents and Restricted Cash

Cash and Cash Equivalents and Restricted Cash

Investments

Investments

Accounts Receivable

Accounts Receivable

Fixed Assets

Fixed Assets

The estimated lives used in determining depreciation are as follows:


		Estimated Useful Life (Years)
Network equipment, computers and software		3-5
Buildings		30
Leasehold improvements		3-8
Office furniture and equipment		3-7
Motor vehicles		3-5

Business Combinations, Goodwill and Other Intangible Assets

Business Combinations, Goodwill and Other Intangible Assets


Customer relationships			3-15 years
Leasehold benefits			3-8 years
Developed technology			5-10 years
Non-compete agreements			1-2 years
Trade names and trademarks			3-5 years

Derivative Financial Instruments

Derivative Financial Instruments.

Retirement Benefits

Retirement Benefits

Share-Based Compensation

Share-Based Compensation

Income Taxes

Income Taxes

Financial Instruments and Concentration of Credit Risk

Financial Instruments and Concentration of Credit Risk

Earnings Per Share

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:


	Year ended December 31,
	2012		2011		2010
Numerators:
Net income	$	41,836	$	34,780	$	26,592

Denominators:
Basic weighted average common shares outstanding		31,968,386		30,264,805		29,281,364
Dilutive effect of share based awards		1,202,719		1,281,339		1,107,156

Diluted weighted average common shares outstanding		33,171,105		31,546,144		30,388,520

Earnings per share:
Basic	$	1.31	$	1.15	$	0.91
Diluted	$	1.26	$	1.10	$	0.88
Weighted average common shares considered anti-dilutive in computing diluted earnings per share		413,493		424,081		674,507

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss


	December 31, 2012			December 31, 2011
Cumulative translation adjustments	$	(30,486	)	$	(26,337	)
Unrealized loss on cash flow hedges, net of taxes of ($2,521) and ($4,819)		(5,456	)		(12,910	)
Retirement benefits, net of taxes of ($203) and ($164)		(705	)		(611	)

Accumulated other comprehensive loss	$	(36,647	)	$	(39,858	)

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consist of the following:


	December 31, 2012		December 31, 2011
Accrued expenses	$	20,134	$	15,572
Derivative instruments		6,403		9,170
Other current liabilities		5,200		6,214

Accrued expenses and other current liabilities	$	31,737	$	30,956

Non-current liabilities

Non-current liabilities

Non-current liabilities consist of the following:


	December 31, 2012		December 31, 2011
Derivative instruments	$	3,458	$	8,559
Unrecognized tax benefits		2,680		4,981
Deferred rent		4,631		3,319
Retirement benefits		2,380		3,068
Other non-current liabilities		1,168		2,531

Non-current liabilities	$	14,317	$	22,458

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Summary of revenues and reimbursements out of pocket expenses


Year ended December 31, 2012	$	18,862
Year ended December 31, 2011	$	16,073
Year ended December 31, 2010	$	11,820

Summary of estimated lives used in determining depreciation


		Estimated Useful Life (Years)
Network equipment, computers and software		3-5
Buildings		30
Leasehold improvements		3-8
Office furniture and equipment		3-7
Motor vehicles		3-5

Summary of lived intangible assets are amortized over their estimated useful lives


Customer relationships			3-15 years
Leasehold benefits			3-8 years
Developed technology			5-10 years
Non-compete agreements			1-2 years
Trade names and trademarks			3-5 years

Summary of computation of basic and diluted earning per share


	Year ended December 31,
	2012		2011		2010
Numerators:
Net income	$	41,836	$	34,780	$	26,592

Denominators:
Basic weighted average common shares outstanding		31,968,386		30,264,805		29,281,364
Dilutive effect of share based awards		1,202,719		1,281,339		1,107,156

Diluted weighted average common shares outstanding		33,171,105		31,546,144		30,388,520

Earnings per share:
Basic	$	1.31	$	1.15	$	0.91
Diluted	$	1.26	$	1.10	$	0.88
Weighted average common shares considered anti-dilutive in computing diluted earnings per share		413,493		424,081		674,507

Summary of accumulated other comprehensive loss


	December 31, 2012			December 31, 2011
Cumulative translation adjustments	$	(30,486	)	$	(26,337	)
Unrealized loss on cash flow hedges, net of taxes of ($2,521) and ($4,819)		(5,456	)		(12,910	)
Retirement benefits, net of taxes of ($203) and ($164)		(705	)		(611	)

Accumulated other comprehensive loss	$	(36,647	)	$	(39,858	)

Summary of accrued expenses and other current liabilities


	December 31, 2012		December 31, 2011
Accrued expenses	$	20,134	$	15,572
Derivative instruments		6,403		9,170
Other current liabilities		5,200		6,214

Accrued expenses and other current liabilities	$	31,737	$	30,956

Summary of non-current liabilities


	December 31, 2012		December 31, 2011
Derivative instruments	$	3,458	$	8,559
Unrecognized tax benefits		2,680		4,981
Deferred rent		4,631		3,319
Retirement benefits		2,380		3,068
Other non-current liabilities		1,168		2,531

Non-current liabilities	$	14,317	$	22,458

Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data [Abstract]

Summary of quarterly results


	Three months ended
2012	March 31		June 30		September 30		December 31		Full Year
Revenues	$	104,608	$	108,030	$	112,639	$	117,653	$	442,930
Gross profit		37,936		41,985		43,989		47,144		171,054
Net income	$	8,916	$	9,054	$	11,703	$	12,163	$	41,836
Earnings Per Share:
Basic	$	0.28	$	0.28	$	0.36	$	0.38	$	1.31
Diluted	$	0.27	$	0.27	$	0.35	$	0.36	$	1.26

Weighted-average number of shares used in computing earnings per share:
Basic		31,445,592		31,970,881		32,154,001		32,297,414		31,968,386
Diluted		32,783,855		33,096,607		33,283,854		33,514,446		33,171,105
Note:
Stock compensation expense	$	2,743	$	2,715	$	1,871	$	2,087	$	9,416
Amortization of intangibles	$	1,394	$	1,365	$	1,324	$	1,555	$	5,638


	Three months ended
2011	March 31		June 30		September 30		December 31		Full Year
Revenues	$	72,907	$	85,028	$	100,026	$	102,580	$	360,541
Gross profit		28,688		33,030		38,271		40,565		140,554
Net income	$	8,361	$	8,475	$	8,391	$	9,553	$	34,780
Earnings Per Share:
Basic	$	0.28	$	0.28	$	0.28	$	0.31	$	1.15
Diluted	$	0.27	$	0.27	$	0.27	$	0.29	$	1.10

Weighted-average number of shares used in computing earnings per share:
Basic		29,620,218		29,859,811		30,293,114		31,266,183		30,264,805
Diluted		30,911,066		31,043,426		31,586,936		32,623,251		31,546,144
Note:
Stock compensation expense	$	2,248	$	2,879	$	2,160	$	2,175	$	9,462
Amortization of intangibles	$	636	$	913	$	1,395	$	1,385	$	4,329

Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment Information [Abstract]

Revenues and cost of revenues for Company's outsourcing services and transformation services segments


	Year ended December 31, 2012							Year ended December 31, 2011
	Outsourcing Services		Transformation Services		Total			Outsourcing Services		Transformation Services		Total
Revenues	$	366,767	$	76,163	$	442,930		$	294,361	$	66,180	$	360,541
Cost of revenues (exclusive of depreciation and amortization)		222,860		49,016		271,876			178,301		41,686		219,987

Gross profit	$	143,907	$	27,147	$	171,054		$	116,060	$	24,494	$	140,554

Operating expenses						113,822							99,236
Other income/(expense)						(512	)						5,330
Income tax provision						14,884							11,868

Net income					$	41,836						$	34,780


	Year ended December 31, 2010
	Outsourcing Services		Transformation Services		Total
Revenues	$	192,095	$	60,658	$	252,753
Cost of revenues (exclusive of depreciation and amortization)		113,461		37,824		151,285

Gross profit	$	78,634	$	22,834	$	101,468

Operating expenses						74,945
Other income/(expense)						5,566
Income tax provision						5,497

Net income					$	26,592

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References + Details

Business Combinations, Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Business Combinations, Goodwill and Intangible Assets [Abstract]

Summary of total purchase price of acquisitions


Enterprise Value	$	37,500
Add: Working capital adjustments*		1,183

Total purchase price	$	38,683

*Paid in January 2013.

Summary of purchase price allocation for the acquisitions


	Amount
	(In thousands)
Net tangible assets	$	10,727
Identifiable intangible assets:
Customer relationships		7,095
Developed technology		5,313
Trade names		549
Goodwill		14,999

Total purchase price*	$	38,683

* Includes $4,500 deposited in escrow accounts in connection with the acquisition.

Summary of Company's goodwill


	Outsourcing Services			Transformation Services		Total
Balance at January 1, 2011	$	26,585		$	16,785	$	43,370
Goodwill arising from OPI acquisition		54,604			—		54,604
Currency translation adjustments		(5,687	)		—		(5,687	)

Balance at December 31, 2011	$	75,502		$	16,785	$	92,287
Goodwill arising from Landacorp acquisition		14,999			—		14,999
Purchase accounting adjustments ⁽¹⁾		422			—		422
Currency translation adjustments		(1,037	)		—		(1,037	)

Balance at December 31, 2012	$	89,886		$	16,785	$	106,671

(1)

Summary of Company's intangible assets


	As of December 31, 2012
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	40,159	$	(7,832	)	$	32,327
Leasehold benefits		3,355		(1,213	)		2,142
Developed technology		7,445		(683	)		6,762
Non-compete agreements		1,316		(1,316	)		—
Trade names and trademarks		3,270		(979	)		2,291

	$	55,545	$	(12,023	)	$	43,522


	As of December 31, 2011
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	33,100	$	(4,456	)	$	28,644
Leasehold benefits		3,474		(668	)		2,806
Developed technology		2,133		(351	)		1,782
Non-compete agreements		1,316		(606	)		710
Trade names and trademarks		2,722		(351	)		2,371

	$	42,745	$	(6,432	)	$	36,313

Estimated amortization of intangible assets


Estimated amortization of intangible assets during the year ending December 31,
2013	$	5,749
2014	$	5,294
2015	$	5,044
2016	$	5,042
2017	$	5,012

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References + Details

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Measurements [Abstract]

Assets and Liabilities Measured at Fair Value


As of December 31, 2012	Level 1		Level 2		Level 3		Total
Assets
Money market and mutual funds	$	64,766	$	—	$	—	$	64,766
Derivative financial instruments		—		1,730		—		1,730

Total	$	64,766	$	1,730	$	—	$	66,496

Liabilities
Derivative financial instruments	$	—	$	9,861	$	—	$	9,861

Total	$	—	$	9,861	$	—	$	9,861


As of December 31, 2011	Level 1		Level 2		Level 3		Total
Assets
Money market and mutual funds	$	42,067	$	—	$	—	$	42,067
Derivative financial instruments		—		32		—		32

Total	$	42,067	$	32	$	—	$	42,099

Liabilities
Derivative financial instruments	$	—	$	17,729	$	—	$	17,729

Total	$	—	$	17,729	$	—	$	17,729

Derivatives and Hedge Accounting (Tables)

12 Months Ended

Dec. 31, 2012

Derivatives and Hedge Accounting [Abstract]

Summary of fair value of the foreign currency exchange contracts


	December 31, 2012		December 31, 2011
Other current assets:
Foreign currency exchange contracts	$	980	$	—
Other assets:
Foreign currency exchange contracts	$	750	$	—
Accrued expenses and other current liabilities:
Foreign currency exchange contracts	$	6,249	$	9,170
Other non-current liabilities:
Foreign currency exchange contracts	$	3,458	$	8,559

Derivatives not designated as hedging instruments:


	December 31, 2012		December 31, 2011
Other current assets:
Foreign currency exchange contracts	$	—	$	32
Accrued expenses and other current liabilities:
Foreign currency exchange contracts	$	154	$	—

Summary of effect of foreign currency exchange contracts on the consolidated statements of income


Derivatives in Cash Flow Hedging Relationships	Amount of Gain/ (Loss) Recognized in AOCI on Derivative (Effective Portion)					Location of Gain/(Loss) Reclassified from AOCI into Income (Effective Portion)	Amount of Gain/ (Loss) Reclassified from AOCI into Income (Effective Portion)					Location of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion And Amount Excluded from Effectiveness Testing)
		2012		2011				2012			2011			2012		2011
Foreign exchange contracts	$	708	$	(20,329	)	Foreign exchange (loss)/gain	$	(9,044	)	$	1,600	Foreign exchange (loss)/gain	$	—	$	—


		Amount of Gain/(Loss) Recognized in Income on
Derivatives not designated as Hedging Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Derivatives
Derivatives not designated as Hedging Instruments		2012		2011
Foreign exchange contracts	Foreign exchange (loss)/gain	$	2,076	$	(5,482	)

- Definition

Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.

+ References + Details

Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2012

Fixed Assets [Abstract]

Components of fixed assets, net of accumulated depreciation


	December 31, 2012			December 31, 2011
Owned Assets:
Network equipment, computers and software	$	63,463		$	55,499
Buildings		1,408			1,498
Land		985			980
Leasehold improvements		23,919			21,733
Office furniture and equipment		10,695			9,011
Motor vehicles		638			828
Capital work in progress		1,707			2,737

		102,815			92,286
Less: Accumulated depreciation and amortization		(65,581	)		(54,736	)

	$	37,234		$	37,550

Assets under capital leases:
Network equipment, computers and software	$	361		$	474
Leasehold improvements		2,454			2,541
Office furniture and equipment		1,432			1,645
Motor vehicles		954			882

		5,201			5,542
Less: Accumulated depreciation and amortization		(2,196	)		(772	)

	$	3,005		$	4,770

Fixed assets, net	$	40,239		$	42,320

Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Employee Benefit Plans [Abstract]

Summary of change in projected benefit obligation


	December 31,
	2012			2011
Change in projected benefit obligation:
Benefit obligation at the beginning of the year	$	4,429		$	2,883
Service cost		1,027			792
Interest cost		414			302
Benefits paid		(595	)		(333	)
Actuarial loss		361			351
Acquisitions		—			1,082
Effect of exchange rate changes		(145	)		(648	)

Projected benefit obligation at the end of the year	$	5,491		$	4,429

Unfunded amount—non-current	$	2,380		$	3,068
Unfunded amount—current		910			346

Total accrued liability	$	3,290		$	3,414

Accumulated benefit obligation	$	4,141		$	3,316

Net gratuity cost


	Year ended December 31,
	2012			2011			2010
Service cost	$	1,027		$	792		$	526
Interest cost		414			302			152
Expected return on plan assets		(72	)		(24	)		—
Actuarial loss		125			103			167

Net gratuity cost	$	1,494		$	1,173		$	845

Summary of components accumulated other comprehensive income


	December 31,
	2012		2011
Net actuarial loss	$	694	$	600
Net prior service cost		11		11

Accumulated other comprehensive loss, net of tax	$	705	$	611

Summary of weighted average assumptions


	December 31,
	2012			2011			2010
Discount rate		8.5	%		9.1	%		8.7	%
Rate of increase in compensation levels		8.2	%		8.4	%		8.0	%

Summary of expected benefit payments


Expected benefit payments during the year ending December 31,
2013	$	1,693
2014	$	1,526
2015	$	1,409
2016	$	1,302
2017	$	1,121
2018 to 2022	$	2,940

Change in Plan Assets


Change in Plan Assets
Plan assets at January 1, 2012	$	1,015
Employer contribution		1,089
Actual return		72
Actuarial gain		92
Effect of exchange rate changes		(67	)

Plan assets at December 31, 2012	$	2,201

Contribution to various defined contribution plans


Year ended December 31, 2012	$	5,626
Year ended December 31, 2011	$	5,011
Year ended December 31, 2010	$	3,648

Leases (Tables)

12 Months Ended

Dec. 31, 2012

Leases [Abstract]

Future minimum lease payments under capital leases


Year ending December 31,
2013	$	2,032
2014		1,492
2015		1,118
2016		356
2017		9

Total minimum lease payments		5,007
Less: amount representing interest		643

Present value of minimum lease payments		4,364
Less: current portion		1,685

Long term capital lease obligation	$	2,679

Future minimum lease payments under non-cancelable operating lease agreements expiring after more than twelve months


Year ending December 31,
2013	$	8,058
2014		7,447
2015		5,993
2016		2,716
2017		752
2018 and thereafter		1,112

	$	26,078

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Summary of components of income before income taxes


	Year ended December 31,
	2012		2011		2010
Domestic	$	22,046	$	6,012	$	5,964
Foreign		34,674		40,636		26,125

	$	56,720	$	46,648	$	32,089

Summary of income tax provision/(benefit) relating to continuing operations


	Year ended December 31,
	2012		2011			2010
Current provision:
Domestic	$	4,519	$	1,433		$	4,380
Foreign		5,638		12,140			3,492

	$	10,157	$	13,573		$	7,872

Deferred provision/(benefit):
Domestic	$	4,371	$	1,999		$	(1,431	)
Foreign		356		(3,704	)		(944	)

	$	4,727	$	(1,705	)	$	(2,375	)

Income tax provision	$	14,884	$	11,868		$	5,497

Summary of effective income tax rate differs from the amount computed by applying the U.S. federal statutory income tax rate to income before income taxes


	December 31,
	2012			2011			2010
Expected tax provision	$	19,852		$	16,327		$	11,231
Change in valuation allowance		(254	)		(1,702	)		367
Impact of tax holiday		(3,219	)		(3,234	)		(2,573	)
Foreign tax rate differential		(1,071	)		(1,033	)		(363	)
Deferred tax provision/(benefit)		356			(694	)		(1,179	)
Unrecognized tax benefits and interest		(2,083	)		877			(2,848	)
State taxes, net of Federal taxes		620			841			550
Non-deductible expenses		591			427			115
Other		92			59			197

Tax provision	$	14,884		$	11,868		$	5,497

Summary of components of deferred tax balances


	December 31,
	2012			2011
Deferred tax assets:
Tax credit carry forward	$	2,932		$	2,793
Depreciation and amortization		5,955			5,060
Share-based compensation		5,361			4,787
Accrued employee costs and other expenses		2,660			3,412
Net operating loss carry forwards		13,553			7,947
Unrealized exchange loss		3,204			5,612
Deferred rent		851			212
Allowance for doubtful accounts		59			48
Others		1,160			851

	$	35,735		$	30,722
Valuation allowance		(665	)		(919	)

Deferred tax assets	$	35,070		$	29,803

Deferred tax liabilities:
Unrealized exchange gain	$	70		$	—
Intangible assets		14,401			7,080

Deferred tax liabilities:	$	14,471		$	7,080

Net deferred tax assets	$	20,599		$	22,723

Summary of activity related to the gross unrecognized tax benefits


Balance as of January 1, 2012	$	5,324
Increases related to prior year tax positions		—
Decreases related to prior year tax positions		(2,245	)
Increases related to current year tax positions		339
Decreases related to current year tax positions		(339	)
Effect of exchange rate changes		(60	)

Balance as of December 31, 2012	$	3,019

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation [Abstract]


	Year ended December 31,
	2012		2011		2010
Cost of revenues	$	1,893	$	1,635	$	1,593
General and administrative expenses		4,551		4,589		3,838
Selling and marketing expenses		2,972		3,238		3,060

Total	$	9,416	$	9,462	$	8,491

Fair value of each stock option granted to employees


	Year ended December 31,
	2012			2011			2010
Dividend yield		0	%		0	%		0	%
Expected life (years)		5.38			5.58			4.65
Risk free interest rate		0.97	%		2.16	%		1.84	%
Volatility		40	%		40	%		44	%

Share based compensation stock options activity


	Number of Options			Weighted- Average Exercise Price		Aggregate Intrinsic Value		Weighted- Average Remaining Contractual Life (Years)
Outstanding at December 31, 2009		3,188,066		$	11.52
Granted		326,319			18.03
Exercised		(278,118	)		10.88
Forfeited		(160,650	)		13.51

Outstanding at December 31, 2010		3,075,617		$	12.17
Granted		360,867			20.41
Exercised		(342,166	)		11.97
Forfeited		(64,190	)		10.06

Outstanding at December 31, 2011		3,030,128		$	13.22
Granted		416,129			25.36
Exercised		(793,053	)		12.11
Forfeited		(198,570	)		17.35

Outstanding at December 31, 2012		2,454,634		$	15.30	$	27,554		6.38

Vested and exercisable at December 31, 2012		1,289,428			13.45	$	16,823		5.40

Available for grant at December 31, 2012		2,229,618

Company's stock options outstanding and stock options vested and exercisable


	Options Outstanding				Options Vested and Exercisable
Range of Exercise Prices	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
$0.12 to $0.17		10,000	$	0.12		10,000	$	0.12
$8.00 to $15.00		1,225,088		9.87		818,908		10.35
$15.01 to $24.00		860,506		19.08		457,870		19.23
$24.01 to $36.15		359,040		25.18		2,650		24.81

Total		2,454,634	$	15.30		1,289,428	$	13.45

Restricted stock and restricted stock unit activity


	Restricted Stock					Restricted Stock Units
	Number			Weighted- Average Intrinsic Value		Number			Weighted- Average Intrinsic Value
Outstanding at December 31, 2009		379,810		$	21.78		28,000		$	14.04
Granted		—			—		643,819			18.14
Vested		(134,242	)		19.25		(28,000	)		14.04
Forfeited		(9,683	)		15.66		(19,004	)		18.42

Outstanding at December 31, 2010		235,885		$	23.47		624,815		$	18.13
Granted		—			—		460,972			20.84
Vested		(152,962	)		19.02		(108,670	)		18.39
Forfeited		(19,089	)		19.70		(37,458	)		18.89

Outstanding at December 31, 2011*		63,834		$	18.41		939,659		$	19.40
Granted		—			—		389,050			25.07
Vested		(55,726	)		18.26		(198,842	)		19.27
Forfeited		(2,901	)		23.82		(103,956	)		21.41

Outstanding at December 31, 2012*		5,207		$	17.58		1,025,911		$	21.36

*	Excludes 24,000 restricted stock units vested during both the years ended December 31, 2012 and 2011 (124,000 and 120,000 as of December 31, 2012 and 2011, respectively) for which the underlying common stock is yet to be issued.

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References + Details

- Definition

Tabular disclosure of the application of the fair value option for measurement and reporting of eligible financial assets and liabilities (as defined), as well as certain other eligible items (as defined) included in the statement of financial position, whether such option is elected for a single eligible item or a group of similar eligible items and is in addition to other disclosures concerning fair value which the company may be required to provide. Such disclosure might be expected to include: (1) for items included in the statement of financial position: (a) for each line item in the statement of financial position that includes an item or items for which the fair value option has been elected, provide the aggregate carrying amount of ineligible items included in each line item in the balance sheet, if any; (b) the difference between the aggregate fair value and the aggregate unpaid principal balance (assuming contractual principal amounts and fair value option elected) of: (i) loans and long-term receivables (other than securities otherwise reported at fair value) and (ii) long-term debt instruments; (c) for loans held as assets for which the fair value option has been elected: (i) the aggregate fair value of loans that are 90 days or more past due, (ii) if the policy is to recognize interest income separately from other changes in fair value, the aggregate fair value of loans in nonaccrual status, and (iii) the difference between the aggregate fair value and the aggregate unpaid principal balance for loans that are 90 days or more past due, in nonaccrual status, or both; (2) for items included in the income statement: (a) the amounts of gains and losses from fair value changes included in earnings and in which line in the income statement those gains and losses are reported whether or not combined with gains and losses from items required to be accounted for at fair value; (b) for loans and other receivables held as assets, the estimated amount of gains or losses included in earnings attributable to changes in instrument-specific credit risk; (c) for liabilities with fair values that have been significantly affected during the reporting period by changes in the instrument-specific credit risk, the estimated amount of gains and losses from fair value changes included in earnings that are attributable to changes in the instrument-specific credit risk; and (3) certain other disclosures as required or determined to be provided.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14217-108612

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (c)(2),(d),(e)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a),(c)(1),(d)(1)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 19
-Subparagraph c(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 22
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 19
-Subparagraph d(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 19
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph d, e
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph c(2)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References + Details

Geographical Information (Tables)

12 Months Ended

Dec. 31, 2012

Geographical Information [Abstract]

Geographical Information


	Year ended December 31,
	2012		2011		2010
Revenues
United States	$	320,246	$	258,807	$	182,043
United Kingdom		89,483		79,419		61,436
Rest of World		33,201		22,315		9,274

	$	442,930	$	360,541	$	252,753


	December 31, 2012		December 31, 2011
Fixed assets, net
India	$	30,422	$	35,787
United States		4,418		1,408
Philippines		4,363		3,946
Rest of World		1,036		1,179

	$	40,239	$	42,320

Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of revenues and reimbursements out of pocket expenses
Revenues and Reimbursements	$ 18,862	$ 16,073	$ 11,820

Summary of Significant Accounting Policies (Details 1)	12 Months Ended
Summary of Significant Accounting Policies (Details 1)	Dec. 31, 2012
Network equipment, computers and software [Member] \| Minimum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	3 years
Network equipment, computers and software [Member] \| Maximum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	5 years
Buildings [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	30 years
Leasehold improvements [Member] \| Minimum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	3 years
Leasehold improvements [Member] \| Maximum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	8 years
Office furniture and equipment [Member] \| Minimum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	3 years
Office furniture and equipment [Member] \| Maximum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	7 years
Motor vehicles [Member] \| Minimum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	3 years
Motor vehicles [Member] \| Maximum [Member]
Summary of estimated lives used in determining depreciation
Estimated useful life	5 years

Summary of Significant Accounting Policies (Details 2)	12 Months Ended
Summary of Significant Accounting Policies (Details 2)	Dec. 31, 2012
Customer relationships [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	10 years 1 month 6 days
Customer relationships [Member] \| Minimum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	3 years
Customer relationships [Member] \| Maximum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	15 years
Leasehold benefits [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	6 years 9 months 18 days
Leasehold benefits [Member] \| Minimum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	3 years
Leasehold benefits [Member] \| Maximum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	8 years
Developed technology [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	10 years
Developed technology [Member] \| Minimum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	5 years
Developed technology [Member] \| Maximum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	10 years
Non-compete agreements [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	1 year 6 months
Non-compete agreements [Member] \| Minimum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	1 year
Non-compete agreements [Member] \| Maximum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	2 years
Trade names and trademarks [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	3 years 6 months
Trade names and trademarks [Member] \| Minimum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	3 years
Trade names and trademarks [Member] \| Maximum [Member]
Summary of lived intangible assets are amortized over their estimated useful lives
Weighted average life of intangible assets	5 years

Summary of Significant Accounting Policies (Details 3) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Numerators:
Net income	$ 12,163	$ 11,703	$ 9,054	$ 8,916	$ 9,553	$ 8,391	$ 8,475	$ 8,361	$ 41,836	$ 34,780	$ 26,592
Denominators:
Basic weighted average common shares outstanding	32,297,414	32,154,001	31,970,881	31,445,592	31,266,183	30,293,114	29,859,811	29,620,218	31,968,386	30,264,805	29,281,364
Dilutive effect of share based awards									1,202,719	1,281,339	1,107,156
Diluted weighted average common shares outstanding	33,514,446	33,283,854	33,096,607	32,783,855	32,623,251	31,586,936	31,043,426	30,911,066	33,171,105	31,546,144	30,388,520
Earnings per share:
Basic	$ 0.38	$ 0.36	$ 0.28	$ 0.28	$ 0.31	$ 0.28	$ 0.28	$ 0.28	$ 1.31	$ 1.15	$ 0.91
Diluted	$ 0.36	$ 0.35	$ 0.27	$ 0.27	$ 0.29	$ 0.27	$ 0.27	$ 0.27	$ 1.26	$ 1.10	$ 0.88
Weighted average common shares considered anti-dilutive in computing diluted earnings per share									413,493	424,081	674,507

Summary of Significant Accounting Policies (Details 4) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Summary of accumulated other comprehensive loss
Cumulative translation adjustments	$ (30,486)	$ (26,337)
Unrealized loss on cash flow hedges, net of taxes of ($2521) and ($4,819)	(5,456)	(12,910)
Retirement benefits, net of taxes of ($203) and ($164)	(705)	(611)
Accumulated other comprehensive loss	$ (36,647)	$ (39,858)

- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References + Details

- Definition

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (j-k)
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-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 26
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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+ Details

- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 31
-Article 5

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-Publisher FASB
-Name FASB Staff Position (FSP)
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Summary of accrued expenses and other current liabilities
Accrued expenses	$ 20,134	$ 15,572
Derivative instruments	6,403	9,170
Other current liabilities	5,200	6,214
Accrued expenses and other current liabilities	$ 31,737	$ 30,956

- Definition

Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

+ References + Details

Summary of Significant Accounting Policies (Details 6) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Summary of non-current liabilities
Derivative instruments	$ 3,458	$ 8,559
Unrecognized tax benefits	2,680	4,981
Deferred rent	4,631	3,319
Retirement benefits	2,380	3,068
Other non-current liabilities	1,168	2,531
Non-current liabilities	$ 14,317	$ 22,458

- Definition

For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.

+ References + Details

- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies (Textual) [Abstract]
Unrealized gain/(loss) on cash flow hedges, net of taxes	$ (5,456)	$ (12,910)
Retirement benefits, net of taxes of ($203) and ($164)	(705)	(611)
Allowance for doubtful accounts	207	134
Unbilled accounts receivable	$ 15,601	$ 6,103
Percentage of tax benefit realized upon settlement	50.00%

- Definition

+ References + Details

- Definition

+ References

+ Details

Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of quarterly results
Revenues	$ 117,653	$ 112,639	$ 108,030	$ 104,608	$ 102,580	$ 100,026	$ 85,028	$ 72,907	$ 442,930	$ 360,541	$ 252,753
Gross profit	47,144	43,989	41,985	37,936	40,565	38,271	33,030	28,688	171,054	140,554	101,468
Net income	$ 12,163	$ 11,703	$ 9,054	$ 8,916	$ 9,553	$ 8,391	$ 8,475	$ 8,361	$ 41,836	$ 34,780	$ 26,592
Earnings Per Share:
Basic	$ 0.38	$ 0.36	$ 0.28	$ 0.28	$ 0.31	$ 0.28	$ 0.28	$ 0.28	$ 1.31	$ 1.15	$ 0.91
Diluted	$ 0.36	$ 0.35	$ 0.27	$ 0.27	$ 0.29	$ 0.27	$ 0.27	$ 0.27	$ 1.26	$ 1.10	$ 0.88
Weighted-average number of shares used in computing earnings per share:
Basic	32,297,414	32,154,001	31,970,881	31,445,592	31,266,183	30,293,114	29,859,811	29,620,218	31,968,386	30,264,805	29,281,364
Diluted	33,514,446	33,283,854	33,096,607	32,783,855	32,623,251	31,586,936	31,043,426	30,911,066	33,171,105	31,546,144	30,388,520
Note:
Stock compensation expense	$ 2,087	$ 1,871	$ 2,715	$ 2,743	$ 2,175	$ 2,160	$ 2,879	$ 2,248	$ 9,416	$ 9,462	$ 8,491
Amortization of intangibles	$ 1,555	$ 1,324	$ 1,365	$ 1,394	$ 1,385	$ 1,395	$ 913	$ 636	$ 5,638	$ 4,329	$ 2,024

Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Segment Information (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues and cost of revenues for Company's outsourcing services and transformation services segments
Revenues	$ 117,653	$ 112,639	$ 108,030	$ 104,608	$ 102,580	$ 100,026	$ 85,028	$ 72,907	$ 442,930	$ 360,541	$ 252,753
Cost of revenues (exclusive of depreciation and amortization)									271,876	219,987	151,285
Gross profit	47,144	43,989	41,985	37,936	40,565	38,271	33,030	28,688	171,054	140,554	101,468
Operating expenses									113,822	99,236	74,945
Other income/(expense)									(512)	5,330	5,566
Income tax provision									14,884	11,868	5,497
Net income	$ 12,163	$ 11,703	$ 9,054	$ 8,916	$ 9,553	$ 8,391	$ 8,475	$ 8,361	41,836	34,780	26,592
Outsourcing Services [Member]
Revenues and cost of revenues for Company's outsourcing services and transformation services segments
Revenues									366,767	294,361	192,095
Cost of revenues (exclusive of depreciation and amortization)									222,860	178,301	113,461
Gross profit									143,907	116,060	78,634
Transformation Services [Member]
Revenues and cost of revenues for Company's outsourcing services and transformation services segments
Revenues									76,163	66,180	60,658
Cost of revenues (exclusive of depreciation and amortization)									49,016	41,686	37,824
Gross profit									$ 27,147	$ 24,494	$ 22,834

Business Combinations, Goodwill and Intangible Assets (Details) $ in Thousands	Dec. 31, 2012 USD ($)
Summary of total purchase price of acquisitions
Enterprise Value	$ 37,500
Add: Working capital adjustments	1,183
Total purchase price	$ 38,683

Business Combinations, Goodwill and Intangible Assets (Details 1) $ in Thousands	Dec. 31, 2012 USD ($)
Summary of purchase price allocation for the acquisitions
Net tangible assets	$ 10,727
Goodwill	14,999
Total purchase price	38,683
Customer relationships [Member]
Summary of purchase price allocation for the acquisitions
Identifiable intangible assets	7,095
Trade names [Member]
Summary of purchase price allocation for the acquisitions
Identifiable intangible assets	549
Developed technology [Member]
Summary of purchase price allocation for the acquisitions
Identifiable intangible assets	$ 5,313

Business Combinations, Goodwill and Intangible Assets (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of Company's goodwill
Beginning Balance	$ 92,287	$ 43,370
Goodwill arising from OPI/ Landacorp acquisition	14,999	54,604
Currency translation adjustments	(1,037)	(5,687)
Purchase accounting adjustments	422
Ending Balance	106,671	92,287
Outsourcing Services [Member]
Summary of Company's goodwill
Beginning Balance	75,502	26,585
Goodwill arising from OPI/ Landacorp acquisition	14,999	54,604
Currency translation adjustments	(1,037)	(5,687)
Purchase accounting adjustments	422
Ending Balance	89,886	75,502
Transformation Services [Member]
Summary of Company's goodwill
Beginning Balance	16,785	16,785
Ending Balance	$ 16,785	$ 16,785

- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Number 141R
-Paragraph 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Business Combinations, Goodwill and Intangible Assets (Details 3) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Summary of Company's intangible assets
Gross Carrying Amount	$ 55,545	$ 42,745
Accumulated Amortization	(12,023)	(6,432)
Net Carrying Amount	43,522	36,313
Customer relationships [Member]
Summary of Company's intangible assets
Gross Carrying Amount	40,159	33,100
Accumulated Amortization	(7,832)	(4,456)
Net Carrying Amount	32,327	28,644
Leasehold benefits [Member]
Summary of Company's intangible assets
Gross Carrying Amount	3,355	3,474
Accumulated Amortization	(1,213)	(668)
Net Carrying Amount	2,142	2,806
Developed technology [Member]
Summary of Company's intangible assets
Gross Carrying Amount	7,445	2,133
Accumulated Amortization	(683)	(351)
Net Carrying Amount	6,762	1,782
Non-compete agreements [Member]
Summary of Company's intangible assets
Gross Carrying Amount	1,316	1,316
Accumulated Amortization	(1,316)	(606)
Net Carrying Amount		710
Trade names and trademarks [Member]
Summary of Company's intangible assets
Gross Carrying Amount	3,270	2,722
Accumulated Amortization	(979)	(351)
Net Carrying Amount	$ 2,291	$ 2,371

Business Combinations, Goodwill and Intangible Assets (Details 4) $ in Thousands	Dec. 31, 2012 USD ($)
Estimated amortization of intangible assets
2013	$ 5,749
2014	5,294
2015	5,044
2016	5,042
2017	$ 5,012

Business Combinations, Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Oct. 12, 2012	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Business Combinations Goodwill and Intangible Assets (Additional Textual) [Abstract]
Acquisition-related costs										$ 450
Amortization expense		$ 1,555	$ 1,324	$ 1,365	$ 1,394	$ 1,385	$ 1,395	$ 913	$ 636	5,638	$ 4,329	$ 2,024
Indefinite lived trade names and trademarks		900				$ 900				900	$ 900
Escrow accounts in connection with the acquisition										4,500
Deferred tax assets recognized for the acquired federal and state net operating losses		$ 6,004								$ 6,004
Landacorp inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Number of members in a company	more than 50 million
Acquisition of Landacorp, Inc.										Oct. 12, 2012
Revenues from operations										$ 4,022
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangible assets										10 years 1 month 6 days
Weighted average useful life										10 years
Leasehold benefits [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangible assets										6 years 9 months 18 days
Developed technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangible assets										10 years
Weighted average useful life										10 years
Non-compete agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangible assets										1 year 6 months
Trade names and trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangible assets										3 years 6 months
Weighted average useful life										5 years

Fair Value Measurements (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Assets
Money market and mutual funds	$ 64,766	$ 42,067
Derivative financial instruments	1,730	32
Total	66,496	42,099
Liabilities
Derivative financial instruments	9,861	17,729
Total	9,861	17,729
Level 1 [Member]
Assets
Money market and mutual funds	64,766	42,067
Derivative financial instruments
Total	64,766	42,067
Liabilities
Derivative financial instruments
Total
Level 2 [Member]
Assets
Money market and mutual funds
Derivative financial instruments	1,730	32
Total	1,730	32
Liabilities
Derivative financial instruments	9,861	17,729
Total	9,861	17,729
Level 3 [Member]
Assets
Money market and mutual funds
Derivative financial instruments
Total
Liabilities
Derivative financial instruments
Total

Derivatives and Hedge Accounting (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Derivatives not designated as hedging instruments [Member] \| Accrued expenses and other current liabilities [Member]
Summary of fair value of the foreign currency exchange contracts
Foreign currency exchange contracts, Liability	$ 154
Foreign Currency Exchange Contract [Member] \| Derivatives designated as hedging instruments [Member] \| Other current assets [Member]
Summary of fair value of the foreign currency exchange contracts
Foreign currency exchange contracts, Asset	980
Foreign Currency Exchange Contract [Member] \| Derivatives designated as hedging instruments [Member] \| Other assets [Member]
Summary of fair value of the foreign currency exchange contracts
Foreign currency exchange contracts, Asset	750
Foreign Currency Exchange Contract [Member] \| Derivatives designated as hedging instruments [Member] \| Accrued expenses and other current liabilities [Member]
Summary of fair value of the foreign currency exchange contracts
Foreign currency exchange contracts, Liability	6,249	$ 9,170
Foreign Currency Exchange Contract [Member] \| Derivatives designated as hedging instruments [Member] \| Other non current liabilities [Member]
Summary of fair value of the foreign currency exchange contracts
Foreign currency exchange contracts, Liability	$ 3,458	8,559
Foreign Currency Exchange Contract [Member] \| Derivatives not designated as hedging instruments [Member] \| Other current assets [Member]
Summary of fair value of the foreign currency exchange contracts
Foreign currency exchange contracts, Asset		$ 32

Derivatives and Hedge Accounting (Details 1) - Foreign Currency Exchange Contract [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Derivatives in Cash Flow Hedging Relationships [Member]
Summary of effect of foreign currency exchange contracts on the consolidated statements of income
Amount of Gain/(Loss) Recognized in AOCI on Derivative (Effective Portion)	$ 708	$ (20,329)
Foreign exchange (loss)/gain [Member] \| Derivatives not designated as hedging instruments [Member]
Summary of effect of foreign currency exchange contracts on the consolidated statements of income
Amount of Gain/(Loss) Recognized in Income on Derivatives	2,076	(5,482)
Foreign exchange (loss)/gain [Member] \| Derivatives in Cash Flow Hedging Relationships [Member]
Summary of effect of foreign currency exchange contracts on the consolidated statements of income
Amount of Gain/(Loss) Reclassified from AOCI into Income (Effective Portion)	(9,044)	1,600
Amount of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion And Amount Excluded from Effectiveness Testing)

- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References + Details

Derivatives and Hedge Accounting (Details Textual) £ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2012 GBP (£)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 GBP (£)	Dec. 31, 2011 USD ($)
Derivatives and Hedge Accounting (Textual) [Abstract]
Period of accumulated other comprehensive loss reclassified into earnings	12 months
Net derivative losses	$ 5,269
Maximum outstanding term of derivative instruments			33 months	33 months
Gain/(Losses) that reclassified from AOCI into earning as a result of forecasted transaction	$ 0	$ 0
Foreign Currency Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange contracts outstanding			£ 11,544	$ 221,255	£ 10,368	$ 235,866

Fixed Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Owned Assets:
Assets, Gross	$ 102,815	$ 92,286
Less: Accumulated depreciation and amortization	(65,581)	(54,736)
Owned Assets, net	37,234	37,550
Assets under capital leases:
Capital Leased Assets, Gross	5,201	5,542
Less: Accumulated depreciation and amortization	(2,196)	(772)
Assets under capital leases, net	3,005	4,770
Fixed assets, net	40,239	42,320
Network equipment, computers and software [Member]
Owned Assets:
Assets, Gross	63,463	55,499
Assets under capital leases:
Capital Leased Assets, Gross	361	474
Buildings [Member]
Owned Assets:
Assets, Gross	1,408	1,498
Land [Member]
Owned Assets:
Assets, Gross	985	980
Leasehold improvements [Member]
Owned Assets:
Assets, Gross	23,919	21,733
Assets under capital leases:
Capital Leased Assets, Gross	2,454	2,541
Office furniture and equipment [Member]
Owned Assets:
Assets, Gross	10,695	9,011
Assets under capital leases:
Capital Leased Assets, Gross	1,432	1,645
Motor vehicles [Member]
Owned Assets:
Assets, Gross	638	828
Assets under capital leases:
Capital Leased Assets, Gross	954	882
Capital work in progress [Member]
Owned Assets:
Assets, Gross	$ 1,707	$ 2,737

Fixed Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Fixed Assets (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fixed Assets (Textual) [Abstract]
Depreciation and amortization expense	$ 19,985	$ 18,665	$ 13,811

Capital Structure (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Capital Structure (Textual) [Abstract]
Acquisition of restricted stock from employees in connection with withholding tax payments	12,865	9,596
Acquisition of common stock		61,299
Total consideration		$ 1,439
Purchase price per share average closing price for the period		$ 23.47
Withholding tax payments related to the vesting of restricted stock for total consideration	$ 331	$ 185
Selling stockholders sold of common stock		3,000,000
common stock price per share		$ 23.00
common stock Sold		1,000,000
Net proceeds from sale of common stock		$ 21,526
Period of average closing price		30 days
Weighted average purchase price per share prior to the vesting date	$ 25.78	$ 19.26

Employee Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
Employee Benefit Plans (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of change in projected benefit obligation
Benefit obligation at the beginning of the year	$ 4,429	$ 2,883
Service cost	1,027	792	$ 526
Interest cost	414	302	152
Benefits paid	(595)	(333)
Actuarial loss	361	351
Acquisitions		1,082
Effect of exchange rate changes	(145)	(648)
Projected benefit obligation at the end of the year	5,491	4,429	$ 2,883
Unfunded amount-non-current	2,380	3,068
Unfunded amount-current	910	346
Total accrued liability	3,290	3,414
Accumulated benefit obligation	$ 4,141	$ 3,316

Employee Benefit Plans (Details 1) - USD ($) $ in Thousands	12 Months Ended
Employee Benefit Plans (Details 1) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net gratuity cost
Service cost	$ 1,027	$ 792	$ 526
Interest cost	414	302	152
Expected return on plan assets	(72)	(24)
Actuarial loss	125	103	167
Net gratuity cost	$ 1,494	$ 1,173	$ 845

- Definition

An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-Glossary Expected Return on Plan Assets
-URI http://asc.fasb.org/extlink&oid=6512136

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 60
-Glossary Expected Return on Plan Assets
-URI http://asc.fasb.org/extlink&oid=6512171

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References + Details

- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Service Cost (Component of Net Periodic Pension Cost)
-URI http://asc.fasb.org/extlink&oid=6525008

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a, h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Employee Benefit Plans (Details 2) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Summary of components accumulated other comprehensive income
Net actuarial loss	$ 694	$ 600
Net prior service cost	11	11
Accumulated other comprehensive loss, net of tax	$ 705	$ 611

Employee Benefit Plans (Details 3)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of weighted average assumptions
Discount rate	8.50%	9.10%	8.70%
Rate of increase in compensation levels	8.20%	8.40%	8.00%

Employee Benefit Plans (Details 4) $ in Thousands	Dec. 31, 2012 USD ($)
Summary of expected benefit payments
2013	$ 1,693
2014	1,526
2015	1,409
2016	1,302
2017	1,121
2018 to 2022	$ 2,940

Employee Benefit Plans (Details 5) - USD ($) $ in Thousands	12 Months Ended
Employee Benefit Plans (Details 5) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Change in Plan Assets
Plan assets at January 1, 2012	$ 1,015
Employer contribution	1,089
Actual return	72	$ 24
Actuarial gain	92
Effect of exchange rate changes	(67)
Plan assets at December 31, 2012	$ 2,201	$ 1,015

Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

+ References + Details

Employee Benefit Plans (Details 6) - USD ($) $ in Thousands	12 Months Ended
Employee Benefit Plans (Details 6) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Contribution to various defined contribution plans
Contribution to various defined contribution plans	$ 5,626	$ 5,011	$ 3,648

Employee Benefit Plans (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Benefit Plans (Textual) [Abstract]
Accumulated other comprehensive loss, expected to be recognized	$ 149
Percentage of expected return on the Gratuity Plans	8.50%
Percentage of discretionary contributions, Maximum	3.00%
Company's contribution to the 401(k) Plans	$ 942	$ 662	$ 269

Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Future minimum lease payments under capital leases
2013	$ 2,032
2014	1,492
2015	1,118
2016	356
2017	9
Total minimum lease payments	5,007
Less: amount representing interest	643
Present value of minimum lease payments	4,364
Less: current portion	1,685	$ 1,729
Long term capital lease obligation	$ 2,679	$ 4,244

Leases (Details 1) $ in Thousands	Dec. 31, 2012 USD ($)
Future minimum lease payments under non-cancelable operating lease agreements expiring after more than twelve months
2013	$ 8,058
2014	7,447
2015	5,993
2016	2,716
2017	752
2018 and thereafter	1,112
Total operating lease payments	$ 26,078

Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Leases (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Leases (Textual) [Abstract]
Rent expense under both cancellable and non-cancellable operating leases	$ 17,860	$ 14,599	$ 9,808
Deferred rent	$ 4,893	$ 3,815

Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of components of income before income taxes
Domestic	$ 22,046	$ 6,012	$ 5,964
Foreign	34,674	40,636	26,125
Income before income taxes	$ 56,720	$ 46,648	$ 32,089

Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
Income Taxes (Details 1) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current provision:
Domestic	$ 4,519	$ 1,433	$ 4,380
Foreign	5,638	12,140	3,492
Total	10,157	13,573	7,872
Deferred provision/(benefit):
Domestic	4,371	1,999	(1,431)
Foreign	356	(3,704)	(944)
Total	4,727	(1,705)	(2,375)
Income tax provision	$ 14,884	$ 11,868	$ 5,497

- Definition

The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted federal tax law to the domestic taxable Income or Loss from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Current Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6509736

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.7)
-URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section I
-Paragraph Question 1-7

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 45
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 289
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

+ Details

- Definition

The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Current Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6509736

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.7)
-URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 45
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section I
-Subsection 7

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 289
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The component of total income tax expense for the period comprised of the increase (decrease) during the period in the entity's domestic deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of the federally enacted tax law.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Deferred Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6510177

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-Subparagraph (b)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 8, 16, 17, 289
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
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-Subsection 7

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The component of total income tax expense for the period comprised of the increase (decrease) in the entity's net foreign deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of applicable enacted tax laws of countries other than the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Deferred Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6510177

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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+ Details

- Definition

The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6510177

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-Name Accounting Standards Codification
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-Name Regulation S-X (SX)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 109
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
Income Taxes (Details 2) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of effective income tax rate differs from the amount computed by applying the U.S. federal statutory income tax rate to income before income taxes
Expected tax provision	$ 19,852	$ 16,327	$ 11,231
Change in valuation allowance	(254)	(1,702)	367
Impact of tax holiday	(3,219)	(3,234)	(2,573)
Foreign tax rate differential	(1,071)	(1,033)	(363)
Deferred tax provision/(benefit)	356	(694)	(1,179)
Unrecognized tax benefits and interest	(2,083)	877	(2,848)
State taxes, net of Federal taxes	620	841	550
Non-deductible expenses	591	427	115
Other	92	59	197
Income tax provision	$ 14,884	$ 11,868	$ 5,497

Income Taxes (Details 3) - USD ($) $ in Thousands	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Tax credit carry forward	$ 2,932	$ 2,793
Depreciation and amortization	5,955	5,060
Share-based compensation	5,361	4,787
Accrued employee costs and other expenses	2,660	3,412
Net operating loss carry forwards	13,553	7,947
Unrealized exchange loss	3,204	5,612
Deferred rent	851	212
Allowance for doubtful accounts	59	48
Others	1,160	851
Deferred tax assets, gross	35,735	30,722
Valuation allowance	(665)	(919)
Deferred tax assets	35,070	29,803
Deferred tax liabilities:
Unrealized exchange gain	70
Intangible assets	14,401	7,080
Deferred tax liabilities:	14,471	7,080
Net deferred tax assets	$ 20,599	$ 22,723

Income Taxes (Details 4) $ in Thousands	12 Months Ended
Income Taxes (Details 4) $ in Thousands	Dec. 31, 2012 USD ($)
Summary of the activity related to the gross unrecognized tax benefits
Balance as of January 1, 2012	$ 5,324
Increases related to prior year tax positions
Decreases related to prior year tax positions	(2,245)
Increases related to current year tax positions	339
Decreases related to current year tax positions	(339)
Effect of exchange rate changes	(60)
Balance as of December 31, 2012	$ 3,019

Income Taxes (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes (Textual) [Abstract]
Corporate tax exemption expiration date	Apr. 01, 2011
Tax exemption on profit	50.00%
Income Tax Holiday expire	May 2012
Extendable income tax holiday	4 years
Company's current benefits from income tax holiday	4 years
Period completed by Bengaluru operation	5 years
Number of year of expected extendable period	1 year
Number of year of extended retroactive	1 year
Valuation allowance	$ 665	$ 919
Federal and state net operating losses	$ 34,700
Operating loss carry forwards expiration year	2032
Deferred income taxes related to the MAT	$ 2,932	2,793
Deferred income taxes related to the MAT expiration year	2024
Recognized interest and penalties	$ 23
Unrecognized Tax Benefits	$ 3,019	$ 5,324
Effect of diluted earnings per share, tax holiday	$ 0.10	$ 0.10	$ 0.08
Undistributed net earnings of foreign operations	$ 153,906	$ 125,226
Deferred income taxes provided for Company's share of undistributed net earnings of foreign operations	$ 0	$ 0

Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Costs related to the Company stock-based compensation plan
Total	$ 2,087	$ 1,871	$ 2,715	$ 2,743	$ 2,175	$ 2,160	$ 2,879	$ 2,248	$ 9,416	$ 9,462	$ 8,491
Cost of revenues [Member]
Costs related to the Company stock-based compensation plan
Total									1,893	1,635	1,593
General and administrative expenses [Member]
Costs related to the Company stock-based compensation plan
Total									4,551	4,589	3,838
Selling and marketing expenses [Member]
Costs related to the Company stock-based compensation plan
Total									$ 2,972	$ 3,238	$ 3,060

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References + Details

Stock-Based Compensation (Details 1)	12 Months Ended
Stock-Based Compensation (Details 1)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fair value of each stock option granted to employees
Dividend yield	0.00%	0.00%	0.00%
Expected life (years)	5 years 4 months 17 days	5 years 6 months 29 days	4 years 7 months 24 days
Risk free interest rate	0.97%	2.16%	1.84%
Volatility	40.00%	40.00%	44.00%

Stock-Based Compensation (Details 2) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Options, Outstanding, Beginning Balance	3,030,128	3,075,617	3,188,066
Weighted-Average Exercise Price, Outstanding, Beginning Balance	$ 13.22	$ 12.17	$ 11.52
Number of Options, Granted	416,129	360,867	326,319
Weighted-Average Exercise Price, Granted	$ 25.36	$ 20.41	$ 18.03
Number of Options, Exercised	(793,053)	(342,166)	(278,118)
Weighted Average Exercise Price, Exercised	$ 12.11	$ 11.97	$ 10.88
Number of Options, Forfeited	(198,570)	(64,190)	(160,650)
Weighted Average Exercise Price, Forfeited	$ 17.35	$ 10.06	$ 13.51
Number of Options, Outstanding, Ending Balance	2,454,634	3,030,128	3,075,617
Weighted-Average Exercise Price, Outstanding, Ending Balance	$ 15.30	$ 13.22	$ 12.17
Aggregate Intrinsic value Outstanding, Ending Balance	$ 27,554
Number of Options, Vested and exercisable at December 31, 2012	1,289,428
Options vested and exercisable, weighted average exercise price	$ 13.45
Aggregate Intrinsic Value, Vested and Exercisable at December 31, 2012	$ 16,823
Weighted Average Remaining Contractual Life (Years) Outstanding	6 years 4 months 17 days
Weighted Average Remaining Contractual Life (Years) Vested and Exercisable at December 31, 2012	5 years 4 months 24 days
Available for grant at December 31, 2012	2,229,618

Stock - Based Compensation (Details 3)	12 Months Ended
Stock - Based Compensation (Details 3)	Dec. 31, 2012 $ / shares shares
Company's stock options outstanding and stock options vested and exercisable
Options Outstanding, Shares \| shares	2,454,634
Options Outstanding, Weighted-Average Exercise Price	$ 15.30
Options Vested and Exercisable, Shares \| shares	1,289,428
Options Vested and Exercisable, Weighted-Average Exercise Price	$ 13.45
Range one [Member]
Company's stock options outstanding and stock options vested and exercisable
Range of Exercise Prices, lower range limit	0.12
Range of Exercise Prices, upper range limit	$ 0.17
Options Outstanding, Shares \| shares	10,000
Options Outstanding, Weighted-Average Exercise Price	$ 0.12
Options Vested and Exercisable, Shares \| shares	10,000
Options Vested and Exercisable, Weighted-Average Exercise Price	$ 0.12
Range two [Member]
Company's stock options outstanding and stock options vested and exercisable
Range of Exercise Prices, lower range limit	8.00
Range of Exercise Prices, upper range limit	$ 15.00
Options Outstanding, Shares \| shares	1,225,088
Options Outstanding, Weighted-Average Exercise Price	$ 9.87
Options Vested and Exercisable, Shares \| shares	818,908
Options Vested and Exercisable, Weighted-Average Exercise Price	$ 10.35
Range three [Member]
Company's stock options outstanding and stock options vested and exercisable
Range of Exercise Prices, lower range limit	15.01
Range of Exercise Prices, upper range limit	$ 24.00
Options Outstanding, Shares \| shares	860,506
Options Outstanding, Weighted-Average Exercise Price	$ 19.08
Options Vested and Exercisable, Shares \| shares	457,870
Options Vested and Exercisable, Weighted-Average Exercise Price	$ 19.23
Range four [Member]
Company's stock options outstanding and stock options vested and exercisable
Range of Exercise Prices, lower range limit	24.01
Range of Exercise Prices, upper range limit	$ 36.15
Options Outstanding, Shares \| shares	359,040
Options Outstanding, Weighted-Average Exercise Price	$ 25.18
Options Vested and Exercisable, Shares \| shares	2,650
Options Vested and Exercisable, Weighted-Average Exercise Price	$ 24.81

Stock-Based Compensation (Details 4) - $ / shares	12 Months Ended
Stock-Based Compensation (Details 4) - $ / shares	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restricted Stock [Member]
Restricted stock and restricted stock unit activity
Number, Outstanding, Beginning Balance	63,834	235,885	379,810
Weighted-Average Intrinsic Value, Outstanding, Beginning Balance	$ 18.41	$ 23.47	$ 21.78
Number, Vested	(55,726)	(152,962)	(134,242)
Weighted-Average Intrinsic Value, Vested	$ 18.26	$ 19.02	$ 19.25
Number, Forfeited	(2,901)	(19,089)	(9,683)
Weighted-Average Intrinsic Value, Forfeited	$ 23.82	$ 19.70	$ 15.66
Number, Outstanding, Ending Balance	5,207	63,834	235,885
Weighted-Average Intrinsic Value, Outstanding, Ending Balance	$ 17.58	$ 18.41	$ 23.47
Restricted Stock Units [Member]
Restricted stock and restricted stock unit activity
Number, Outstanding, Beginning Balance	939,659	624,815	28,000
Weighted-Average Intrinsic Value, Outstanding, Beginning Balance	$ 19.40	$ 18.13	$ 14.04
Number, Granted	389,050	460,972	643,819
Weighted-Average Intrinsic Value, Granted	$ 25.07	$ 20.84	$ 18.14
Number, Vested	(198,842)	(108,670)	(28,000)
Weighted-Average Intrinsic Value, Vested	$ 19.27	$ 18.39	$ 14.04
Number, Forfeited	(103,956)	(37,458)	(19,004)
Weighted-Average Intrinsic Value, Forfeited	$ 21.41	$ 18.89	$ 18.42
Number, Outstanding, Ending Balance	1,025,911	939,659	624,815
Weighted-Average Intrinsic Value, Outstanding, Ending Balance	$ 21.36	$ 19.40	$ 18.13

Stock-Based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total fair value of options vested in period	$ 3,000	$ 3,099	$ 3,481
Stock-Based Compensation (Textual) [Abstract]
Expiring period of equity options to employees	10 years
Rate of incremental vesting, first year	10.00%
Rate of incremental vesting, second year	20.00%
Rate of incremental vesting in third year	30.00%
Rate of incremental vesting in fourth year	40.00%
Exercise of vested options	90 days
Expected dividend yield	$ 0
Expected weighted average period	2 years 4 months 28 days
Weighted average fair value of options granted	$ 9.43	$ 8.16	$ 7.10
Aggregate intrinsic value of options exercised	$ 12,020	$ 4,180	$ 2,416
Unrecognized compensation cost	$ 16,069
Expected expensed over a weighted average period	2 years 3 months 11 days
Weighted-average fair value of restricted stock and restricted stock units	$ 25.07	$ 20.84	$ 18.14
Compensation expense related to stock options granted to members of the Company's advisory board	$ 32	$ 21	$ 58
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised by prudential	793,053	342,166	278,118
Stock Options [Member] \| Employees and Directors [Member] \| Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units granted to employees and directors	14,301
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units vested during the year for which underlying common stock to be issued	24,000	24,000
Restricted stock units vested	124,000	120,000
Restricted Stock Units [Member] \| Employees and Directors [Member] \| Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units granted to employees and directors	437,880
2006 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserve of common stock for equity awards	3,399,384
Increase in number of shares of common stock issuable	4,000,000
Total number of shares reserved	7,729,238
Total fair value of options vested in period	$ 7,010	$ 5,456	$ 2,913
Stock-Based Compensation (Textual) [Abstract]
Total number of shares reserved	7,729,238
2003 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserve of common stock for equity awards	329,854
Unrecognized compensation cost for unvested options	$ 5,158

Geographical Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Geographical Information (Details) - USD ($) $ in Thousands	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues
Revenues	$ 117,653	$ 112,639	$ 108,030	$ 104,608	$ 102,580	$ 100,026	$ 85,028	$ 72,907	$ 442,930	$ 360,541	$ 252,753
Fixed assets, net
Total Fixed assets	40,239				42,320				40,239	42,320
United States [Member]
Revenues
Revenues									320,246	258,807	182,043
Fixed assets, net
Total Fixed assets	4,418				1,408				4,418	1,408
United Kingdom [Member]
Revenues
Revenues									89,483	79,419	61,436
Rest of World [Member]
Revenues
Revenues									33,201	22,315	$ 9,274
Fixed assets, net
Total Fixed assets	1,036				1,179				1,036	1,179
India [Member]
Fixed assets, net
Total Fixed assets	30,422				35,787				30,422	35,787
Philippines [Member]
Fixed assets, net
Total Fixed assets	$ 4,363				$ 3,946				$ 4,363	$ 3,946

Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies (Textual) [Abstract]
Purchase commitments, net of advances	$ 3,392
Export-Oriented units established percentage	100.00%
Income Tax Holiday expire	May 2012
Extendable income tax holiday	4 years
Company's current benefits from income tax holiday	4 years
Transfer pricing issues starting period	2003
Transfer pricing issues ending period	2009
Transfer pricing establishment issues starting period	2003
Transfer pricing establishment issues ending period	2008
Aggregate disputed amount	$ 18,624	$ 19,228
Payment of bank guarantee	14,715	14,156
Amounts paid as deposits in respect of Contingencies	$ 12,307	11,662
Income tax holiday extension period	1 year
Bank Guarantee Issued	$ 2,408	$ 2,494