Additional Balance Sheet and Cash Flow Information - Property, Plant And Equipment, At Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,092,341	$ 3,236,361
Accumulated depreciation	(2,244,959)	(2,332,229)
Total property, plant and equipment, net	847,382	904,132
Land and related improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	75,798	73,025
Buildings and related improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	507,178	483,965
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,609,582	1,740,405
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	750,978	733,180
Total property, plant and equipment, net	138,900	159,000
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 148,805	$ 205,786