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Basis of Presentation (Details)
3 Months Ended 9 Months Ended
Aug. 28, 2011
Aug. 29, 2010
Aug. 28, 2011
Aug. 29, 2010
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Weeks in Quarter P13W P13W    
Days in Period 91 days 91 days 271 days 272 days