Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Comprehensive Income (Loss) (Unaudited) [Abstract]
Net revenues	$ 110,510	$ 110,760	$ 217,668	$ 218,147
Operating expenses:
Cost of services (excluding depreciation and amortization)	66,569	70,151	134,675	139,827
Selling, general and administrative expenses (excluding depreciation and amortization)	30,245	30,548	60,766	60,827
Depreciation and amortization	4,680	4,451	8,776	8,800
Business and systems integration expenses	1,683	4,292	4,341	7,462
Foreign exchange loss	734	90	492	560
Impairment of long-lived assets	466	0	502	0
Acquisition integration and restructuring expenses	311	2,416	554	3,478
Operating income (loss)	5,822	(1,188)	7,562	(2,807)
Other income (expense):
Interest income	21	9	47	25
Interest expense	(1,135)	(917)	(2,230)	(1,759)
Income (loss) from continuing operations before income taxes	4,708	(2,096)	5,379	(4,541)
Income tax provision (benefit)	2,104	(513)	1,453	(1,331)
Income (loss) from continuing operations	2,604	(1,583)	3,926	(3,210)
Income (loss) from discontinued operations, net of tax	(6,738)	87	(6,605)	107
Net loss	(4,134)	(1,496)	(2,679)	(3,103)
Basic:
Income (loss) from continuing operations (in dollars per share)	$ 0.10	$ (0.06)	$ 0.15	$ (0.12)
Income (loss) from discontinued operations (in dollars per share)	$ (0.26)	$ 0	$ (0.25)	$ 0
Net loss per common share (in dollars per share)	$ (0.16)	$ (0.06)	$ (0.10)	$ (0.12)
Diluted:
Income (loss) from continuing operations (in dollars per share)	$ 0.10	$ (0.06)	$ 0.15	$ (0.12)
Income (loss) from discontinued operations (in dollars per share)	$ (0.26)	$ 0	$ (0.25)	$ 0
Net loss per common share (in dollars per share)	$ (0.16)	$ (0.06)	$ (0.10)	$ (0.12)
Weighted average number of common and common equivalent shares outstanding:
Basic (in shares)	26,302	25,880	26,228	25,824
Diluted (in shares)	26,354	25,880	26,288	25,824
Dividends per Class A common share (in dollars per share)	$ 0.08	$ 0.08	$ 0.16	$ 0.16
Net loss	(4,134)	(1,496)	(2,679)	(3,103)
Foreign currency translation adjustments	(1,549)	(3,397)	(3,890)	(940)
Pension liability adjustments	(137)	0	(137)	0
Comprehensive loss	$ (5,820)	$ (4,893)	$ (6,706)	$ (4,043)