Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue		$ 305,419	$ 288,949	$ 589,018	$ 562,476
Direct Costs		194,188	178,251	371,387	342,820
Operating costs and expenses:
Indirect and selling expenses		84,641	83,782	166,200	168,615
Depreciation and amortization		4,084	3,894	8,103	7,742
Amortization of intangible assets		3,148	4,288	6,276	8,603
Total operating costs and expenses		91,873	91,964	180,579	184,960
Operating income		19,358	18,734	37,052	34,696
Interest expense		(2,460)	(2,489)	(4,905)	(5,053)
Other (expense) income		(57)	(1,190)	218	(1,421)
Income before income taxes		16,841	15,055	32,365	28,222
Provision for income taxes		6,258	5,881	11,891	11,148
Net income		$ 10,583	$ 9,174	$ 20,474	$ 17,074
Earnings per Share:
Basic (in dollars per share)		$ 0.56	$ 0.47	$ 1.08	$ 0.88
Diluted (in dollars per share)		$ 0.55	$ 0.47	$ 1.06	$ 0.86
Weighted-average Shares:
Basic (in shares)		19,008	19,475	19,001	19,462
Diluted (in shares)		19,293	19,706	19,320	19,805
Other comprehensive (loss) income:
Foreign currency translation adjustments, net of tax	[1]	$ (2,026)	$ 1,499	$ (2,943)	$ (589)
Comprehensive income, net of tax		$ 8,557	$ 10,673	$ 17,531	$ 16,485

[1] Net of tax of $(0.9) million and $0.6 million for the three months ended June 30, 2016 and 2015, respectively, and $(1.3) million and $0.6 million for the six months ended June 30, 2016 and 2015, respectively.