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Income Taxes (Schedule Of Unrecognized Tax Benefits Roll Forward) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Income Taxes [Abstract]
Unrecognized tax benefits - Beginning of fiscal year	$ 1,038	$ 981
Net increases (decreases) - prior period tax positions	8,301	62
Net increases - current period tax positions	210	263
Expirations of statute of limitations for assessment	(165)	(197)
Settlements		(71)
Unrecognized tax benefits - End of fiscal year	$ 9,384	$ 1,038

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Amount of unrecognized tax benefits.

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-Name Accounting Standards Codification
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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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