Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Finance lease assets	$ 40,556	$ 40,856
Total property, plant and equipment	8,075,636	7,924,859
Accumulated depreciation and amortization	(5,452,166)	(5,358,857)
Total property, plant and equipment, net	2,623,470	2,566,002
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	219,228	221,304
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	1,636,111	1,625,355
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	5,845,221	5,736,797
Software and computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	229,585	231,171
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	20,470	20,774
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 84,465	$ 48,602