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Associate Benefit Plans (Schedule Of Option Grant Fair Value Assumptions) (Details) - $ / shares
12 Months Ended
Aug. 29, 2020
Aug. 31, 2019
Associate Benefit Plans [Abstract]    
Expected life (in years) 4 years 4 years
Risk-free interest rate 2.98% 1.87%
Expected volatility 23.10% 22.10%
Expected dividend yield 2.70% 2.30%
Weighted-Average Grant-Date Fair Value $ 14.05 $ 12.25