Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consist of the following:

	September 30, 2017		December 31, 2016
Finished goods	$	48,596	$	43,511
Work in process	39,499		32,839
Raw materials and supplies	91,375		70,099
	$	179,470	$	146,449