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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Dec. 02, 2012	Nov. 27, 2011
Inventories
Raw materials	$ 33,114	$ 25,635
Work in process	20,132	26,056
Finished goods	19,118	5,311
Inventories, net	$ 72,364	$ 57,002

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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