Property, Plant and Equipment - Summary (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Abstract]
Land	$ 162,326,000	$ 175,243,000
Buildings	642,986,000	677,827,000
Leasehold improvements	84,320,000	83,366,000
Machinery and equipment	1,873,505,000	1,867,168,000
Construction in progress	45,349,000	29,952,000
Property, plant and equipment, gross	2,808,486,000	2,833,556,000
Less accumulated depreciation	(1,802,304,000)	(1,739,492,000)
Total	1,006,182,000	1,094,064,000
Depreciation expense	133,000,000	145,100,000	$ 151,900,000
Interest capitalized	$ 0	$ 0