Inventories, Net (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Components of inventory

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

	September 30, 2018		December 31, 2017
Finished goods	$	90,448	$	79,226
Work in process	8,244		15,447
Raw materials and supplies	96,090		88,895
Inventories, net	$	194,782	$	183,568