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Income Taxes (Allocation Of Total Income Tax Provision(Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Income Taxes [Abstract]
Net income (loss)	$ (1,615)	$ (367)	$ 3,737
Other comprehensive income	(5)	(75)	37
Total income tax provision (benefit)	$ (1,620)	$ (442)	$ 3,774

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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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Amount of income tax expense (benefit) for continuing operations, discontinued operations, other comprehensive income, and items charged (credited) directly to shareholders' equity.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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