Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

The components of inventories consisted of:

	March 31, 2012		December 31, 2011
Finished goods	$	120,658	$	121,984
Work-in-process	59,937		60,557
Raw material and supplies	36,311		33,979
	$	216,906	$	216,520