Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Finance lease assets	$ 32,935	$ 34,158
Total property, plant and equipment	7,816,761	7,381,922
Accumulated depreciation and amortization	(5,256,566)	(4,977,072)
Total property, plant and equipment, net	2,560,195	2,404,850
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	220,653	219,785
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	1,619,450	1,571,653
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	5,665,943	5,303,729
Software and computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	228,816	220,264
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	20,550	19,740
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 28,414	$ 12,593