Net Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Net Inventories [Abstract]

Net Inventories

Net inventories at June 30, 2012 and December 31, 2011 consist of the following:

	June 30,		December 31,
	2012		2011
Finished goods	$	25,784	$	26,885
Work in process		24,798		19,190
Raw materials		11,945		11,261
Supplies		4,810		4,759
Total	$	67,337	$	62,095