Income Taxes (Reconciliation Of The Beginning And Ending Amount Of Gross Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Income Taxes [Abstract]
Beginning balance	$ 1,895	$ 2,111	$ 2,359
Additions based on tax positions related to the current year	172	157	27
Additions for tax positions in prior years	10	7	367
Reductions for tax positions of prior years resulting from the lapse of applicable statute of limitations	(289)	(370)	(253)
Other reductions for tax positions of prior years	(148)	(10)	(389)
Ending balance	$ 1,640	$ 1,895	$ 2,111

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Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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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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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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