Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories are comprised of the following:

	March 31, 2017		December 31, 2016
Raw materials	$	51,022	$	49,205
Work in process		32,829		31,348
Finished goods		32,710		34,298
Inventories	$	116,561	$	114,851