Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Finance lease assets	$ 81,582	$ 40,856
Total property, plant and equipment	8,426,189	7,924,859
Accumulated depreciation and amortization	(5,552,619)	(5,358,857)
Total property, plant and equipment, net	2,873,570	2,566,002
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	219,127	221,304
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	1,639,368	1,625,355
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	6,109,777	5,736,797
Software and computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	230,312	231,171
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	20,829	20,774
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 125,194	$ 48,602