Property, Plant and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following:

	December 31,
(in thousands)	2021		2020
Land	$	28,175	$	28,553
Buildings and site improvements	202,393		203,421
Leasehold improvements	5,995		7,091
Machinery and equipment	399,079		372,923
	635,642		611,988
Less accumulated depreciation and amortization	(402,246)		(377,460)
	233,396		234,528
Capital projects in progress	26,473		20,656
	$	259,869	$	255,184