Net Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Net Inventories [Abstract]

Net Inventories

Net inventories consist of the following:

	December 31,
	2014		2013
Finished goods	$	24,200	$	29,797
Work in process		27,640		31,990
Raw materials		28,558		22,580
Supplies		5,232		5,598
Total	$	85,630	$	89,965