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SIGNIFICANT ACCOUNTING POLICIES - Schedule of Inventory (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Raw materials	$ 13,122	$ 16,079
Work-in-process	10,188	12,133
Finished goods	17,273	19,155
Supplies	967	953
Inventory, Net	$ 41,550	$ 48,320

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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