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INVENTORIES (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Components of inventories [Abstract]
Raw materials	$ 29,482	$ 26,157
Work in progress	11,600	8,200
Finished goods	19,614	20,567
Inventories	$ 60,696	$ 54,924

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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