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Income Taxes (Deferred Income Tax Amounts Recorded On The Consolidated Balance Sheets) (Details) - USD ($)
$ in Thousands
Aug. 31, 2021
Aug. 31, 2020
Income Taxes [Abstract]    
Long-term assets $ 4,951 $ 1,094
Long-term liabilities (375) (5,298)
Net deferred income tax asset $ 4,576  
Net deferred income tax liability   $ (4,204)