Inventories, Net (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Components of inventory

The components of inventories are as follows (in thousands):

	March 31, 2018		December 31, 2017
Finished goods	$	84,523	$	79,226
Work in process	13,633		15,447
Raw materials and supplies	94,807		88,895
Inventories, net	$	192,963	$	183,568