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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
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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)

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