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Share-Based Employee Compensation (Summary Of PSU Activity) (Details) - Performance share awards
12 Months Ended
Oct. 01, 2017
$ / shares
shares
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 1 year 8 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]  
Stock awards outstanding, Beginning balance, Shares | shares 117,619
Granted, Shares | shares 24,599
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | shares (55,022)
Forfeited, Shares | shares (1,539)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value | shares 6,478
Stock awards outstanding, Ending balance, Shares | shares 92,135.000
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) | $ / shares $ 62.13
Granted, Weighted-Average Grant Date Fair Value (usd per share) | $ / shares 95.33
Issued, Weighted-Average Grant Date Fair Value (usd per share) | $ / shares 65.36
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value | $ / shares 84.04
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Ending balance (usd per share) | $ / shares 78.67
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Adjustment, Weighted Average per share | $ / shares $ 78.27