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Income Taxes (Tables)
6 Months Ended
Feb. 28, 2023
Income Tax Disclosure [Abstract]  
Schedule of U.S. Federal Statutory Income Tax Rate Compared to Actual Income Tax Expense
The U.S. federal statutory income tax rate and the Company's effective income tax rate are as follows:
Three months ended Six months ended
February 28, 2023 February 28, 2022 February 28, 2023 February 28, 2022
U.S. federal statutory income tax rate 21.0  % 21.0  % 21.0  % 21.0  %
Effective income tax rate 27.6  % 21.7  % 26.6  % 22.8  %