Inventories (Tables)

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Components of inventory

Inventories are as follows (in thousands):

	September 30, 2016		December 31, 2015
Raw materials	$	33,724	$	44,997
Work-in-process	3,023		3,069
Finished goods	37,239		37,426
Inventories	$	73,986	$	85,492