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Profit Sharing Plan (Details) - USD ($)
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Profit Sharing Plan    
Percentage of employees gross pay 50.00%  
Vesting period 5 years  
Contribution expense $ 638,000 $ 479,000
Employee Contributions    
Profit Sharing Plan    
Percentage of match, employer matching contribution 6.00%  
Deferred profit sharing    
Profit Sharing Plan    
Percentage of match, employer matching contribution 15.00%