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Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Income Taxes    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00%
GILTI inclusion amount $ 559,000  
GILTI deduction amount 280,000  
Allowable indirect foreign tax credit 42,000  
FDII deduction amount $ 71,000