Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues
Services	$ 105,351	$ 99,975	$ 301,166	$ 286,780
Software and hardware	11,520	12,192	27,490	31,108
Reimbursable expenses	4,038	4,804	11,315	12,962
Total revenues	120,909	116,971	339,971	330,850
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Project personnel costs	64,465	61,442	188,901	179,068
Software and hardware costs	10,195	10,438	23,559	27,333
Reimbursable expenses	4,038	4,804	11,315	12,962
Other project related expenses	1,809	750	4,833	2,644
Total cost of revenues	80,507	77,434	228,608	222,007
Gross margin	40,402	39,537	111,363	108,843
Selling, general and administrative	23,715	22,239	72,571	65,354
Depreciation	1,148	932	3,322	2,713
Amortization	3,357	4,045	10,569	10,511
Acquisition costs	488	(74)	509	2,495
Adjustment to fair value of contingent consideration for purchase of business	99	0	273	(1,463)
Income from operations	11,595	12,395	24,119	29,233
Net interest expense	(501)	(462)	(1,602)	(1,055)
Net other (expense) income	(29)	10	(300)	79
Income before income taxes	11,065	11,943	22,217	28,257
Provision for income taxes	3,691	4,637	6,780	11,519
Net income	$ 7,374	$ 7,306	$ 15,437	$ 16,738
Basic net income per share	$ 0.22	$ 0.23	$ 0.46	$ 0.53
Diluted net income per share	$ 0.22	$ 0.22	$ 0.45	$ 0.51
Shares used in computing basic net income per share (in shares)	33,498	32,118	33,292	31,470
Shares used in computing diluted net income per share (in shares)	34,187	33,329	34,163	33,076