Segment, Geographic and Customer Information - Segment Profit or Loss Other Than Depreciation and Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating income (loss):
Facility closing and reorganization costs, net	$ (74,992)	$ (24,913)	$ (8,719)
Impairment of goodwill and long-lived assets	(204,414)	(30,668)	0
Other operating income	2,289	0	0
Equity in earnings (loss) of unconsolidated affiliate	7,939	0	0
Operating income (loss)	(315,193)	87,566	268,231
Other (income) expense:
Interest expense	56,443	64,961	66,795
Other (income) expense, net	2,877	1,362	(1,215)
Income (loss) before income taxes	(374,513)	21,243	202,651
Operating Segments
Operating income (loss):
Operating income (loss)	$ (46,015)	$ 143,147	$ 276,950