CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Revenue	$ 122,743	$ 151,070	$ 247,060	$ 295,237
Direct costs	72,521	91,199	148,934	181,337
Gross margin	50,222	59,871	98,126	113,900
Operating expenses:
Selling, general and administrative expenses	53,550	60,215	105,716	116,133
Depreciation and amortization	974	1,404	2,085	2,774
Business reorganization expenses and impairment of long-lived assets	2,060	1,117	3,403	1,231
Total operating expenses	56,584	62,736	111,204	120,138
Gain on sale and exit of businesses	20,005	0	20,005	0
Operating income (loss)	13,643	(2,865)	6,927	(6,238)
Non-operating income (expense):
Interest income (expense), net	(369)	(202)	(449)	(342)
Other income (expense), net	(40)	(305)	(27)	(502)
Income (loss) from continuing operations before provision for income taxes	13,234	(3,372)	6,451	(7,082)
Provision for (benefit from) income taxes from continuing operations	460	193	331	595
Income (loss) from continuing operations	12,774	(3,565)	6,120	(7,677)
Income (loss) from discontinued operations, net of income taxes	1,103	(809)	919	(1,241)
Net income (loss)	$ 13,877	$ (4,374)	$ 7,039	$ (8,918)
Basic and diluted earnings (loss) per share:
Basic and diluted earnings (loss) per share from continuing operations	$ 0.38	$ (0.11)	$ 0.18	$ (0.23)
Basic and diluted earnings (loss) per share from discontinued operations	0.03	(0.02)	0.03	(0.04)
Basic and diluted earnings (loss) per share	$ 0.41	$ (0.13)	$ 0.21	$ (0.27)
Weighted-average shares outstanding:
Basic (in shares)	33,525	32,752	33,296	32,697
Diluted (in shares)	33,525	32,752	33,296	32,697
Comprehensive income (loss):
Net income (loss)	$ 13,877	$ (4,374)	$ 7,039	$ (8,918)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of income taxes	1,192	1,001	(1,571)	2,030
Pension liability adjustment	0	0	(19)	(24)
Total other comprehensive income (loss), net of income taxes	1,192	1,001	(1,590)	2,006
Comprehensive income (loss)	$ 15,069	$ (3,373)	$ 5,449	$ (6,912)