Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue		$ 306,520	$ 288,951	$ 895,538	$ 851,427
Direct Costs		191,310	177,864	562,697	520,684
Operating costs and expenses:
Indirect and selling expenses		84,193	81,011	250,393	249,626
Depreciation and amortization		4,130	4,316	12,233	12,058
Amortization of intangible assets		3,111	4,263	9,387	12,866
Total operating costs and expenses		91,434	89,590	272,013	274,550
Operating income		23,776	21,497	60,828	56,193
Interest expense		(2,407)	(2,674)	(7,312)	(7,727)
Other income (expense)		732	(52)	950	(1,473)
Income before income taxes		22,101	18,771	54,466	46,993
Provision for income taxes		8,664	7,226	20,555	18,374
Net income		$ 13,437	$ 11,545	$ 33,911	$ 28,619
Earnings per Share:
Basic (in dollars per share)		$ 0.71	$ 0.60	$ 1.79	$ 1.47
Diluted (in dollars per share)		$ 0.70	$ 0.59	$ 1.75	$ 1.45
Weighted-average Shares:
Basic (in shares)		18,965	19,316	18,989	19,413
Diluted (in shares)		19,329	19,556	19,345	19,743
Other comprehensive loss:
Foreign currency translation adjustments, net of tax	[1]	$ (165)	$ (3,900)	$ (3,108)	$ (4,489)
Comprehensive income, net of tax		$ 13,272	$ 7,645	$ 30,803	$ 24,130

[1] Net of tax of $1.6 million and $0.8 million for the three months ended September 30, 2016 and 2015, respectively, and $3.0 million and $0.2 million for the nine months ended September 30, 2016 and 2015, respectively.