Net Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Net Inventories [Abstract]

Net Inventories

Net inventories at March 31, 2014 and December 31, 2013 consist of the following:

	March 31,		December 31,
	2014		2013
Finished goods	$	31,642	$	29,797
Work in process		39,037		31,990
Raw materials		22,589		22,580
Supplies		5,470		5,598
Total	$	98,738	$	89,965