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INVENTORY, NET (Details) (USD $)	Jun. 30, 2011	Dec. 31, 2010
INVENTORY, NET
Raw materials	$ 50,157,000	$ 37,433,000
Work-in-process	128,907,000	140,898,000
Finished goods	126,357,000	113,029,000
Total inventory, net	305,421,000	291,360,000
Aggregate future purchase remaining commitments	$ 5,700,000	$ 8,600,000

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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