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Income Taxes (Reconciliation Of Statutory Federal Income Tax Rate To Effective Tax Rate) (Details)
12 Months Ended
Sep. 03, 2022
Aug. 28, 2021
Aug. 29, 2020
Income Taxes [Abstract]      
U.S. federal statutory rate 21.00% 21.00% 21.00%
State income taxes, net of federal benefit 3.90% 4.10% 3.70%
Other, net (0.40%) (0.70%)  
Effective income tax rate 24.50% 24.40% 24.70%