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Stock-Based Compensation (Details)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Aug. 30, 2013
Nov. 30, 2012
Aug. 31, 2012
Restricted Stock Unit [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 18,415 16,871 18,877
Awarded, Shares 6,826 9,431  
Released, Shares (5,837) (5,854)  
Forfeited, Shares (1,241) (2,147)  
Increase due to acquisition, Shares 0 114  
Ending outstanding balance 18,163 18,415 18,877
Performance Shares [Member] | Current Program [Member] | Shares Granted [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 0    
Awarded, Shares 946    
Forfeited, Shares (84)    
Ending outstanding balance 862    
Performance Shares [Member] | Current Program [Member] | Maximum Shares Eligible to Receive [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 0    
Awarded, Shares 1,891    
Forfeited, Shares (168)    
Ending outstanding balance 1,723    
Performance Shares [Member] | Prior Year [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 388 405 431
Achieved, Shares 1,279 492  
Released, Shares (665) (464)  
Forfeited, Shares (134) (45)  
Ending outstanding balance 868 388 431