Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Inventories

INVENTORIES:

	2013		2012
Raw materials	$	17,411	$	22,514
Work-in-progress		29,322		31,164
Finished goods		5,894		5,907
Supplies		11,502		11,084
	$	64,129	$	70,669