Property, Plant and Equipment - Summary of Carrying Values of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 975,467	$ 903,247
Accumulated depreciation	(606,847)	(557,329)
Net property, plant and equipment	368,620	345,918
Land and land improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	29,321	27,502
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	136,427	126,580
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	608,618	558,639
Computer equipment and software
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	137,512	119,533
Construction in process
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 63,589	$ 70,993