Discontinued Operations- Income Statement and Balance Sheet (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Major classes of items in net income (loss):
Discontinued operation, revenues	$ 352,077	$ 477,001	$ 482,767
Discontinued operation, operating expenses	(391,702)	(490,006)	(404,842)
Discontinued operation, other loss, net	(2,673)	(1,316)	(55)
Discontinued operation, income (loss) from discontinued operation, before income taxes	(42,298)	(14,321)	77,870
Discontinued operation, income tax benefit (expense)	14,950	(15,682)	(27,810)
Income (loss) from discontinued operations, net of income taxes	(27,348)	(30,003)	$ 50,060
Major classes of assets and liabilities:
Cash	2,158	4,476
Accounts receivable, net of allowance	26,352	30,696
Inventories	43,480	29,246
Other current assets	3,182	7,835
Property and equipment, net	9,824	9,400
Goodwill, net	67,201	116,117
Other intangible assets, net	59,006	76,800
Other long-term assets	460	390
Total assets of discontinued operations	211,663	274,960
Accounts payable	33,295	37,336
Other current liabilities	15,622	15,842
Debt (net of discount and including short-term and long-term portions)	25,000	41,809
Deferred tax liability, net	13,816	19,856
Other long-term liabilities	542	13
Total liabilities of discontinued operations	$ 88,275	$ 114,856