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Share-Based Employee Compensation (Summary Of Stock Option Activity) (Details) - Nonvested stock awards and units
$ / shares in Units, $ in Thousands
 12 Months Ended
Oct. 01, 2017
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award P7Y
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Options outstanding, shares, beginning balance | shares 338,457
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 89,792.00
Shares, Exercised | shares (114,333)
Shares, Forfeited | shares (1,557)
Options outstanding, shares, ending balance | shares 312,359
Options exercisable, Shares | shares 124,824
Options exercisable and expected to vest, Shares | shares 312,359
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]  
Options outstanding, Weighted Average Exercise Price, Beginning balance (usd per share) | $ / shares $ 61.73
Options outstanding, Weighted Average Exercise Price, Granted (usd per share) | $ / shares 104.95
Options outstanding, Weighted Average Exercise Price, Exercised (usd per share) | $ / shares 45.18
Options outstanding, Weighted Average Exercise Price, Forfeited (usd per share) | $ / shares 73.53
Options outstanding, Weighted Average Exercise Price, Ending balance (usd per share) | $ / shares 80.15
Options exercisable, Weighted Average Exercise Price (usd per share) | $ / shares 66.64
Options exercisable and expected to vest, Weighted Average Exercise Price (usd per share) | $ / shares $ 80.15
Options outstanding, Weighted Average Remaining Contractual Term, years 4 years 10 months 28 days
Options exercisable, Weighted Average Remaining Contractual Term, years 4 years 1 month 10 days
Options exercisable and expected to vest, Weighted Average Remaining Contractual Term, years 4 years 10 months 28 days
Options outstanding, Aggregate Intrinsic Value | $ $ 7,072
Options exercisable, Aggregate Intrinsic Value | $ 4,404
Options exercisable and expected to vest, Aggregate Intrinsic Value | $ $ 7,072