Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues
Services	$ 97,186	$ 98,316	$ 195,815	$ 186,805
Software and hardware	7,468	13,913	15,970	18,916
Reimbursable expenses	3,810	4,480	7,277	8,158
Total revenues	108,464	116,709	219,062	213,879
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Project personnel costs	62,290	61,102	125,737	117,847
Software and hardware costs	6,636	12,393	13,364	16,895
Reimbursable expenses	3,810	4,480	7,277	8,158
Other project related expenses	827	886	1,723	1,672
Total cost of revenues	73,563	78,861	148,101	144,572
Gross margin	34,901	37,848	70,961	69,307
Selling, general and administrative	24,813	22,433	48,856	43,116
Depreciation	1,093	870	2,174	1,781
Amortization	3,411	3,730	7,212	6,466
Acquisition costs	21	1,076	21	2,569
Adjustment to fair value of contingent consideration	89	(1,677)	174	(1,463)
Income from operations	5,474	11,416	12,524	16,838
Net interest expense	(548)	(425)	(1,101)	(593)
Net other income (expense)	9	49	(271)	69
Income before income taxes	4,935	11,040	11,152	16,314
Provision for income taxes	938	4,653	3,089	6,881
Net income	$ 3,997	$ 6,387	$ 8,063	$ 9,433
Basic net income per share	$ 0.12	$ 0.20	$ 0.24	$ 0.30
Diluted net income per share	$ 0.12	$ 0.19	$ 0.24	$ 0.29
Shares used in computing basic net income per share (in shares)	33,333	31,564	33,190	31,147
Shares used in computing diluted net income per share (in shares)	34,138	33,271	34,151	32,949