Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventories

Schedule of inventory

(in thousands)	September 30,		December 31,
	2017		2016
Raw materials and supplies	$	60,855	$	55,424
Work-in-process		23,397		21,558
Finished goods		236,722		246,307
Inventories	$	320,974	$	323,289