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Income Taxes (Allocation Of Total Income Tax Provision(Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Income Taxes [Abstract]
Net income (loss)	$ 7,548	$ (10,231)	$ (1,615)
Other comprehensive income (loss)	11	16	(5)
Total income tax provision (benefit)	$ 7,559	$ (10,215)	$ (1,620)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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