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Share-Based Employee Compensation (Summary Of PSU Activity) (Details) (USD $)
12 Months Ended
Sep. 30, 2012
Oct. 02, 2011
Oct. 03, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Weighted-average grant-date fair value of options granted (usd per share) $ 7.37 $ 8.25 $ 6.54
Performance-Vested Stock Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Stock awards outstanding, Beginning balance, Shares 380,187    
Granted, Shares 234,258    
Issued, Shares (48,105)    
Forfeited, Shares 45,465    
Canceled, Shares (146,816)    
Stock awards outstanding, Ending balance, Shares 374,059 380,187  
Vested and subject to release at Septermber 30, 2012, Shares $ 37,272    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Beginning balance (usd per share) $ 19.98    
Weighted-average grant-date fair value of options granted (usd per share) $ 19.62 $ 21.74 $ 19.19
Issued, Weighted-Average Grant Date Fair Value (usd per share) $ 15.93    
Canceled, Weighted-Average Grant Date Fair Value (usd per share) $ 21.05    
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Ending balance (usd per share) $ 19.79 $ 19.98  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value $ 20.52    
Vested and subject to release at Septermber 30, 2012 (usd per share) $ 17.86