Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Discontinued Operations
Goodwill impairment									$ 0	$ 0	$ 16,300
Total loss from discontinued operations, net of income taxes	(1,435)	(952)	(4,555)	18	(119)	(9,510)	(297)	(83)	(6,924)	(10,009)	(14,881)
Russia, Federal division and IT Outsourcing Practice
Discontinued Operations
Total revenues									5,424	90,777	196,245
Operating expenses									11,177	93,319	190,039
Goodwill impairment									0	0	27,400
Operating loss from discontinued operations									(5,753)	(2,542)	(21,194)
Interest and other expense									1,008	90	334
Loss from discontinued operations before income taxes									(6,761)	(2,632)	(21,528)
Income tax expense (benefit)									211	808	(6,647)
Loss from discontinued operations, net of taxes									(6,972)	(3,440)	(14,881)
Gain (loss) on sale									48	(7,256)	0
Income tax benefit									0	(687)	0
Gain (loss) on sale, net of income taxes									48	(6,569)	0
Total loss from discontinued operations, net of income taxes									$ (6,924)	$ (10,009)	$ (14,881)