Consolidated Condensed Financial Statements (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 01, 2012 segments	Dec. 03, 2011
Schedule Consolidated Condensed Financial Disclosures [Line Items]
Number of segments	3
Restricted cash, noncurrent	$ 1,809	$ 1,590
Raw materials	74,158	72,289
Work in process	36,327	30,957
Finished products	100,036	97,028
Inventories	$ 210,521	$ 200,274

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer).

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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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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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

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