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Consolidated Condensed Financial Statements (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 02, 2013
segments
Dec. 01, 2012
Schedule Consolidated Condensed Financial Disclosures [Line Items]    
Number of segments 3  
Restricted cash, noncurrent $ 1,863 $ 1,839
Raw materials 76,869 75,928
Work in process 38,519 34,996
Finished products 104,097 100,327
Inventories $ 219,485 $ 211,251