Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories were comprised of the following at December 31, 2013 and September 30, 2014:

	December 31, 2013		September 30, 2014
Finished goods	$	48,787	$	46,666
Work in process	38,929		41,207
Raw materials and supplies	92,050		93,602
	$	179,766	$	181,475