CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue:
Revenue before reimbursements (net revenue)	$ 118,981	$ 117,312	$ 343,992	$ 339,903
Reimbursements	4,523	5,033	14,148	16,517
Total revenue	123,504	122,345	358,140	356,420
Operating expenses:
Salaries and employee benefits	81,671	79,628	236,216	236,159
General and administrative expenses	28,957	27,499	93,292	82,824
Reimbursed expenses	4,523	5,033	14,148	16,517
Restructuring charges		0	0	810
Total operating expenses	115,151	112,160	343,656	336,310
Operating income	8,353	10,185	14,484	20,110
Non-operating income (expense):
Interest, net	(91)	149	(120)	856
Other, net	(709)	(299)	(1,675)	(949)
Net non-operating expense	(800)	(150)	(1,795)	(93)
Income before income taxes	7,553	10,035	12,689	20,017
Provision for income taxes	3,429	5,924	7,844	13,375
Net income	4,124	4,111	4,845	6,642
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	232	848	(1,769)	382
Unrealized gain (loss) on cash flow hedge	(74)		76
Unrealized gains on available-for-sale investments	436	430	783	934
Other comprehensive income (loss), net of tax	594	1,278	(910)	1,316
Comprehensive income	$ 4,718	$ 5,389	$ 3,935	$ 7,958
Basic weighted average common shares outstanding	18,104	17,995	18,064	17,969
Dilutive common shares	119	102	143	167
Diluted weighted average common shares outstanding	18,223	18,097	18,207	18,136
Basic net income per common share	$ 0.23	$ 0.23	$ 0.27	$ 0.37
Diluted net income per common share	$ 0.23	$ 0.23	$ 0.27	$ 0.37
Cash dividends paid per share	$ 0.13	$ 0.13	$ 0.26	$ 0.39