QUARTERLY FINANCIAL DATA (UNAUDITED)

12 Months Ended

Dec. 31, 2012

QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]

QUARTERLY FINANCIAL DATA (UNAUDITED)

19.QUARTERLY FINANCIAL DATA (UNAUDITED)

Summarized quarterly results for the two years ended December 31, 2013 and 2012 were as follows:

	Three Months Ended
2013	March 31			June 30			September 30			December 31			Full Year
Revenues	$	124,198		$	133,184		$	140,150		$	157,585		$	555,117
Operating expenses:
Cost of revenues (exclusive of depreciation and amortization)		77,937			83,547			88,539			97,627			347,650
Selling, general and administrative expenses		27,083			28,541			27,893			32,980			116,497
Depreciation and amortization expense		3,617			3,854			3,906			3,743			15,120
Other operating (income)/ expenses, net		25			(293	)		(418	)		43			(643	)
Income from operations		15,536			17,535			20,230			23,192			76,493
Interest and other income, net		630			769			846			832			3,077
Foreign exchange loss		(499	)		(869	)		(720	)		(712	)		(2,800	)
Income before provision for income taxes		15,667			17,435			20,356			23,312			76,770
Provision for income taxes		2,987			3,317			3,919			4,553			14,776
Net income	$	12,680		$	14,118		$	16,437		$	18,759		$	61,994
Comprehensive income	$	10,337		$	13,073		$	19,412		$	18,361		$	61,183
Basic net income per share(1)	$	0.28		$	0.31		$	0.36		$	0.40		$	1.35
Diluted net income per share(1)	$	0.27		$	0.29		$	0.34		$	0.38		$	1.28

(1) Earnings per share amounts for each quarter may not necessarily total to the yearly earnings per share due to the weighting of shares outstanding on a quarterly and year to date basis.

	Three Months Ended
2012	March 31		June 30			September 30			December 31			Full Year
Revenues	$	94,383	$	103,800		$	110,078		$	125,538		$	433,799
Operating expenses:
Cost of revenues (exclusive of depreciation and amortization)		60,175		63,803			69,099			77,284			270,361
Selling, general and administrative expenses		17,627		20,711			21,153			26,377			85,868
Depreciation and amortization expense		2,211		2,423			3,040			3,208			10,882
Other operating expenses, net		586		33			50			13			682
Income from operations		13,784		16,830			16,736			18,656			66,006
Interest and other income, net		476		460			486			519			1,941
Foreign exchange gain/ (loss)		80		(1,394	)		(635	)		(135	)		(2,084	)
Income before provision for income taxes		14,340		15,896			16,587			19,040			65,863
Provision for income taxes		2,241		2,575			2,522			4,041			11,379
Net income	$	12,099	$	13,321		$	14,065		$	14,999		$	54,484
Comprehensive income	$	13,711	$	10,857		$	16,769		$	15,640		$	56,977
Basic net income per share(1)	$	0.30	$	0.31		$	0.33		$	0.35		$	1.27
Diluted net income per share(1)	$	0.27	$	0.29		$	0.30		$	0.32		$	1.17

(1) Earnings per share amounts for each quarter may not necessarily total to the yearly earnings per share due to the weighting of shares outstanding on a quarterly and year to date basis.