Property, Plant and Equipment, Net

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

Property, plant and equipment, net, at the dates indicated consisted of the following: 

	At September 30,				At December 31,
(in thousands)	2021		2020		2020
Land	$	28,232	$	28,287	$	28,553
Buildings and site improvements	201,730		201,020		203,421
Leasehold improvements	5,956		5,699		7,091
Machinery, equipment, and software	396,201		363,187		372,923
	632,119		598,193		611,988
Less accumulated depreciation and amortization	(400,981)		(369,655)		(377,460)
	231,138		228,538		234,528
Capital projects in progress	24,409		17,934		20,656
Total	$	255,547	$	246,472	$	255,184