Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 6,896,008	$ 6,427,413
Less accumulated depreciation and amortization	(4,200,943)	(3,862,765)
Total property, plant and equipment, net	2,695,065	2,564,648
Depreciation expense	580,172	552,989	$ 492,458
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	224,894	240,719
Land use rights
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	26,845	26,845
Buildings and improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	1,384,846	1,362,007
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	4,938,291	4,483,523
Software and computer equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	200,500	205,969
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	15,722	21,313
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 104,910	$ 87,037