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Share-Based Employee Compensation (Summary Of RSA Activity) (Details) - Nonvested Stock Awards [Member]
12 Months Ended
Oct. 01, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0
Nonvested stock awards outstanding, Shares 95,815
Non vested stock awards outstanding, Weighted-Average Grant Date Fair Value, (usd per share) | $ / shares $ 20.56