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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventory, Finished Goods, Net of Reserves	$ 38,572	$ 32,604
Inventory, Raw Materials and Purchased Parts, Net of Reserves	8,818	18,004
Inventory, Work in Process, Net of Reserves	1,875	2,606
Inventory, Net	$ 49,265	$ 53,214

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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