Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following:

	December 31,
(in thousands)	2020		2019
Land	$	28,553	$	28,092
Buildings and site improvements	203,421		195,210
Leasehold improvements	7,091		4,911
Machinery and equipment	372,923		351,379
	611,988		579,592
Less accumulated depreciation and amortization	(377,460)		(346,594)
	234,528		232,998
Capital projects in progress	20,656		16,014
	$	255,184	$	249,012