Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Summary of Carrying Values of Property, Plant and Equipment

The carrying values of property, plant and equipment were as follows: 

	December 31,
	2021		2020
	(In thousands)
Land and land improvements	$	27,579	$	29,321
Buildings and leasehold improvements	113,281		136,427
Machinery and equipment	622,002		608,618
Computer equipment and software	150,229		137,512
Construction in process	66,407		63,589
Gross property, plant and equipment	979,498		975,467
Accumulated depreciation	(629,684)		(606,847)
Net property, plant and equipment	$	349,814	$	368,620