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Income Taxes (Allocation Of Total Income Tax Provision(Benefit)) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Income Taxes [Abstract]      
Net income (loss) $ (3,634) $ 7,548 $ (10,231)
Other comprehensive income (loss) 176 11 16
Total income tax provision (benefit) $ (3,458) $ 7,559 $ (10,215)