Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventories consisted of:

	September 30, 2018		December 31, 2017
Finished goods	$	76,181	$	79,649
Work-in-process	108,244		97,276
Raw material and supplies	73,949		65,037
	$	258,374	$	241,962