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Income Taxes (Activity In Deferred Income Tax Asset Valuation Allowance) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2019
Income Taxes [Abstract] |  |  |
Beginning balance | $ 15,076 | $ 3,815 | $ 3,397
Charged to costs and expenses | 394 | 11,269 | 663
Deductions | (10,940) | (8) | (245)
Ending balance | $ 4,530 | $ 15,076 | $ 3,815

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- Definition Deferred Tax Assets Valuation Allowance, Charged To Costs And Expenses + References No definition available. + Details
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- Definition Deferred Tax Assets Valuation Allowance, Deductions + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- References No definition available. + Details
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