OPERATING SEGMENTS (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Revenues from External Customers and Segment Operating Profit Before Unallocated Expenses

Revenues from external customers and segment operating profit, before unallocated expenses, for the North America, Europe, Russia and Other reportable segments for the three and six months ended June 30, 2014 and 2013, were as follows:

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2014			2013			2014			2013
Total segment revenues:
North America	$	88,275		$	69,076		$	168,473		$	132,133
Europe	71,514			48,424			139,173			94,577
Russia	13,371			13,498			24,119			25,851
Other	1,523			2,176			2,915			4,789
Total segment revenues	$	174,683		$	133,174		$	334,680		$	257,350
Segment operating profit:
North America	$	21,529		$	16,213		$	39,726		$	30,394
Europe	9,714			8,118			23,849			16,489
Russia	2,199			1,687			1,064			2,319
Other	(900		)	(148		)	(2,218		)	(64		)
Total segment operating profit	$	32,542		$	25,870		$	62,421		$	49,138

Reconciliation of Segment Revenues and Operating Profit to Consolidated Income Before Provision for Income Taxes

Reconciliation of segment revenues and operating profit to consolidated income before provision for income taxes is presented below:

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2014			2013			2014			2013
Total segment revenues	$	174,683		$	133,174		$	334,680		$	257,350
Unallocated revenue	12			10			399			32
Revenues	$	174,695		$	133,184		$	335,079		$	257,382
Total segment operating profit:	$	32,542		$	25,870		$	62,421		$	49,138
Unallocated amounts:
Other revenues	12			10			399			32
Stock-based compensation expense	(5,891		)	(3,850		)	(9,099		)	(6,426		)
Non-corporate taxes	(609		)	(680		)	(1,155		)	(1,500		)
Professional fees	(1,227		)	(724		)	(2,541		)	(2,074		)
Depreciation and amortization	(2,226		)	(715		)	(2,881		)	(1,430		)
Bank charges	(256		)	(321		)	(503		)	(653		)
One-time charges	(2,000		)	—			(2,000		)	—
Other corporate expenses	(1,869		)	(2,055		)	(4,308		)	(4,016		)
Income from operations	18,476			17,535			40,333			33,071
Interest and other income, net	1,164			769			2,140			1,399
Foreign exchange loss	(1,239		)	(869		)	(2,480		)	(1,368		)
Income before provision for income taxes	$	18,401		$	17,435		$	39,993		$	33,102

Geographical Information of Long-Lived Assets Based on Physical Location

Management has determined that it is not practical to allocate identifiable assets by segment since such assets are used interchangeably among the segments. Geographical information about the Company’s long-lived assets based on physical location of the assets was as follows:

	June 30, 2014		December 31, 2013
Belarus	$	40,319	$	38,697
Ukraine	4,848		5,525
Russia	3,112		3,414
Hungary	2,802		2,644
United States	2,192		2,217
Other	1,250		818
Total	$	54,523	$	53,315

Revenues by Client Location

Information about the Company’s revenues by client location is as follows:

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2014		2013		2014		2013
United States	$	75,092	$	59,746	$	144,228	$	117,196
United Kingdom	33,176		27,711		67,420		54,779
Switzerland	20,833		10,734		41,365		20,014
Russia	12,772		13,192		23,162		24,930
Canada	11,474		8,393		21,455		13,818
Germany	6,360		4,537		12,492		9,070
China	3,210		—		3,210		—
Netherlands	2,344		2,384		4,462		4,770
Sweden	2,167		1,349		4,479		2,604
Kazakhstan	1,374		2,028		2,616		4,493
Other locations	4,221		1,600		6,551		2,760
Reimbursable expenses and other revenues	1,672		1,510		3,639		2,948
Revenues	$	174,695	$	133,184	$	335,079	$	257,382

Revenues by Service Offering

Information about the Company’s revenues by service offering is as follows:

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2014		2013		2014		2013
Software development	$	119,852	$	90,298	$	230,539	$	174,078
Application testing services	34,196		26,547		65,966		50,700
Application maintenance and support	14,513		10,648		25,891		21,487
Infrastructure services	3,484		3,461		7,238		6,871
Licensing	978		720		1,806		1,298
Reimbursable expenses and other revenues	1,672		1,510		3,639		2,948
Revenues	$	174,695	$	133,184	$	335,079	$	257,382