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Share-Based Employee Compensation (Summary Of RSU Activity) (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Sep. 28, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 10 months 26 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Stock awards outstanding, Beginning balance, Shares 332,973    
Granted, Shares 140,794    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (105,254)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (39,608)    
Stock awards outstanding, Ending balance, Shares 328,905 332,973  
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) $ 44.34    
Granted, Weighted-Average Grant Date Fair Value (usd per share) 72.06 $ 75.07 $ 49.79
Released, Weighted-Average Grant Date Fair Value (usd per share) 42.65    
Cancelled, Weighted-Average Grant Date Fair Value 64.30    
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Ending balance (usd per share) $ 54.05 $ 44.34  
Non-Management Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 12 months    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Stock awards outstanding, Ending balance, Shares 48,456