Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories were comprised of the following at December 31, 2014 and June 30, 2015:

	December 31, 2014		June 30, 2015
Finished goods	$	45,485	$	52,760
Work in process	36,498		42,332
Raw materials and supplies	84,548		87,748
	$	166,531	$	182,840