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Income Taxes (Deferred Income Tax Amounts Recorded On The Consolidated Balance Sheets) (Details) - USD ($)
$ in Thousands
Aug. 31, 2018
Aug. 31, 2017
Income Taxes [Abstract]    
Long-term assets $ 3,222 $ 1,647
Long-term liabilities (210) (1,033)
Net deferred income taxes asset $ 3,012 $ 614