Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventories consisted of:

	March 31, 2013		December 31, 2012
Finished goods	$	73,974	$	126,139
Work-in-process	61,495		56,186
Raw material and supplies	43,673		43,895
	$	179,142	$	226,220