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Stock-Based Compensation (Details 3)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Aug. 31, 2012
Dec. 02, 2011
Sep. 02, 2011
Restricted Stock Unit [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 16,871 13,890 17,353
Awarded, Shares 9,045 8,180  
Released, Shares (5,395) (3,819)  
Forfeited, Shares (1,758) (1,587)  
Increase due to acquisition, Shares 114 207  
Ending outstanding balance 18,877 16,871 17,353
Performance Shares [Member] | Current Program [Member] | Shares Granted [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 0    
Awarded, Shares 1,125    
Forfeited, Shares (17)    
Ending outstanding balance 1,108    
Performance Shares [Member] | Current Program [Member] | Maximum Shares Eligible to Receive [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 0    
Awarded, Shares 1,652    
Forfeited, Shares (26)    
Ending outstanding balance 1,626    
Performance Shares [Member] | Prior Year [Member]
     
Restricted Stock and Performance Shares Activity      
Beginning outstanding balance 405 557 427
Achieved, Shares 492 337  
Released, Shares (464) (436)  
Forfeited, Shares (2) (53)  
Ending outstanding balance 431 405 427