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Summary of Significant Accounting Policies - Nature of business (Details)
 3 Months Ended
Oct. 28, 2023
USD ($)
Stores
state
Oct. 29, 2022
Stores
Accounting Policies [Abstract]    
Products offering price, maximum price | $ $ 5  
Number of states in which entity operates (state) | state 43  
Number of company operated stores | Stores 1,481 1,292
Deferred compensation, maximum amount of eligible compensation as a percentage of gross pay 80.00%