CONDENSED CONSOLIDATED STATEMENTS OF INCOME (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:
Operating revenue	$ 109,837	$ 83,865	$ 317,721	$ 256,529
Reimbursable expenses	5,847	7,122	34,925	20,825
Total Revenue	115,684	90,987	352,646	277,354
OPERATING EXPENSE:
Direct cost of operating revenue (exclusive of depreciation and amortization shown separately below)	52,126	34,346	154,150	107,425
Reimbursed direct costs	5,565	6,891	33,179	20,179
Selling, general and administrative expense	35,162	26,988	104,521	87,252
Depreciation and software and leasehold amortization	8,192	6,755	22,582	20,006
Amortization of identifiable intangible assets	4,761	6,804	14,463	20,325
Fair value adjustment to contingent consideration		(11,717)		(17,188)
Intangible asset impairment expense				1,777
Other operating income	(855)		(759)	(225)
Total Operating Expense	104,951	70,067	328,136	239,551
INCOME FROM OPERATIONS	10,733	20,920	24,510	37,803
INTEREST EXPENSE (INCOME):
Interest expense	4,101	1,926	7,944	7,365
Interest income	(2)	(5)	(14)	(12)
Net Interest Expense	4,099	1,921	7,930	7,353
INCOME BEFORE INCOME TAXES	6,634	18,999	16,580	30,450
PROVISION FOR INCOME TAXES	2,399	7,733	5,566	11,988
NET INCOME	$ 4,235	$ 11,266	$ 11,014	$ 18,462
NET INCOME PER SHARE INFORMATION:
Basic (in dollars per share)	$ 0.12	$ 0.31	$ 0.31	$ 0.51
Diluted (in dollars per share)	$ 0.11	$ 0.31	$ 0.30	$ 0.50
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	35,684	35,438	35,738	35,505
Diluted (in shares)	36,497	36,344	36,634	36,427
Cash dividends declared per common share (in dollars per share)	$ 0.09	$ 0.09	$ 0.27	$ 0.205