Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventories

Schedule of inventory values

	At March 31,				At December 31,
(in thousands)	2014		2013		2013
Raw materials	$	92,671	$	90,697	$	81,338
In-process products	19,822		18,118		18,475
Finished products	104,036		93,526		97,915
	$	216,529	$	202,341	$	197,728