Inventories (Tables)

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Schedule of carrying values of inventories

Inventories at the dates indicated consisted of the following: 

	At September 30,				At December 31,
(in thousands)	2016		2015		2015
Raw materials	$	83,613	$	82,194	$	75,950
In-process products	20,313		19,485		18,828
Finished products	116,281		98,603		100,979
	$	220,207	$	200,282	$	195,757