Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 02, 2015	Mar. 31, 2016	Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations, net of income taxes		$ 53	$ 409
Proceeds from Divestiture of Businesses	$ 123,000
Gain (Loss) on Disposition of Business		0	25,703
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation			14,400
Cash Provided by (Used in) Operating Activities, Discontinued Operations		53	(1,778)
Cash received from sale of discontinued operations, net		6,000	114,884
Other Cash Provided by (Used in) Investing Activities, Discontinued Operations		0	14
Cash Provided by (Used in) Investing Activities, Discontinued Operations		6,000	114,870
Disposal Group, Including Discontinued Operation, Revenue		0	12,068
Disposal Group Including Discontinued Operations Cost of Services		0	8,653
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)		0	3,415
Disposal Group, Including Discontinued Operation, General and Administrative Expense		85	2,641
Disposal Group Including Discontinued Operations Amortization of Intangible Assets		0	155
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		85	619
Discontinued Operation, Tax Effect of Discontinued Operation		$ 32	$ 210