Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2018

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 March 31,						At December 31,
(in thousands)	2018			2017			2017
Land	$	33,234		$	32,370		$	33,087
Buildings and site improvements	214,074			186,974			212,817
Leasehold improvements	4,767			5,515			4,684
Machinery, equipment, and software	318,201			254,405			300,334
	570,276			479,264			550,922
Less accumulated depreciation and amortization	(309,198		)	(279,607		)	(299,907		)
	261,078			199,657			251,015
Capital projects in progress	15,036			50,808			22,005
	$	276,114		$	250,465		$	273,020