Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Major Classes of Inventories

The major classes of inventories were as follows: 

	December 31,
	2020		2019
	(In thousands)
Raw materials	$	106,514	$	98,530
Work-in-process	32,011		34,717
Finished goods	141,042		119,331
Gross inventories	279,567		252,578
Excess and obsolete reserves	(32,269)		(21,245)
Net inventories	$	247,298	$	231,333