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Stockholders' Equity (Schedule Of Weighted Average Assumptions Used in Calculating Share-Based Performance Awards) (Details) - Performance Shares [Member]
12 Months Ended
Oct. 01, 2021
Oct. 02, 2020
Sep. 27, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate 43.20% 32.22% 32.65%
Average volatility of peer companies 45.96% 33.96% 37.07%
Average correlation coefficient of peer group 0.65 0.61 0.47
Risk free interest rate 0.25% 1.62% 2.98%
Dividend yield 1.39% 1.78% 1.84%