CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
REVENUE:
Operating revenue	$ 438,690	$ 344,750	$ 261,265
Reimbursable expenses	43,393	28,335	22,061
Total Revenue	482,083	373,085	283,326
OPERATING EXPENSE:
Direct cost of operating revenue (exclusive of depreciation and amortization shown separately below)	210,458	145,629	90,954
Reimbursed direct costs	41,766	27,426	21,773
Selling, general and administrative	149,045	117,023	97,779
Depreciation and software and leasehold amortization	30,971	27,399	23,081
Amortization of identifiable intangible assets	18,834	26,588	21,323
Fair value adjustment to contingent consideration	2,580	(17,188)	(7,166)
Acquisition related (income) expense		(200)	7,681
Intangible asset impairment expense		1,777	1,278
Other operating (income) expense	(791)	(20)
Total Operating Expense	452,863	328,434	256,703
INCOME FROM OPERATIONS	29,220	44,651	26,623
INTEREST EXPENSE (INCOME):
Interest expense	12,130	9,263	5,844
Interest income	(15)	(18)	(128)
Net Interest Expense	12,115	9,245	5,716
INCOME BEFORE INCOME TAXES	17,105	35,406	20,907
PROVISION FOR INCOME TAXES	5,995	12,979	8,827
NET INCOME	$ 11,110	$ 22,427	$ 12,080
NET INCOME PER SHARE INFORMATION:
Basic (in dollars per share)	$ 0.31	$ 0.62	$ 0.34
Diluted (in dollars per share)	$ 0.30	$ 0.61	$ 0.33
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	35,434	35,497	35,186
Diluted (in shares)	36,302	36,373	36,506
Cash dividends declared per common share (in dollars per share)	$ 0.36	$ 0.385	$ 0.205