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Stock-Based Compensation (Assumption Of Fair Value Calculation Of Each Year's Grants) (Details) - Stock Options [Member]
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected life (in years) 4 years 3 months 18 days 4 years 3 months 18 days 4 years 3 months 18 days
Risk-free interest rate 0.30% 1.60% 2.80%
Expected volatility 32.20% 25.70% 25.40%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 3.40% 2.00% 2.50%