Reportable Segments - Reconciliation of Net Income to Gross Margin (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting [Abstract]
Net income (loss)	$ (4,233)	$ 42,158	$ 44,641	$ 97,915
Selling, general and administrative	82,124	94,806	252,684	283,096
Depreciation and amortization	94,924	98,256	285,057	295,734
Long-lived asset impairment	23,708	12,385	51,860	26,039
Restructuring and other charges	11,998	219	36,392	5,394
Interest expense	28,577	25,737	84,273	86,767
Equity in income of non-consolidated affiliates	(5,084)	(4,951)	(15,152)	(14,553)
Other (income) expense, net	30,129	4,663	38,975	(1,442)
Provision for (benefit from) income taxes	(3,605)	11,215	14,628	31,494
Income from discontinued operations, net of tax	(18,776)	(18,003)	(37,743)	(54,499)
Gross margin	$ 239,762	$ 266,485	$ 755,615	$ 755,945