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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Nov. 30, 2021 | Nov. 30, 2020
Income Taxes [Line Items] |  |
Income tax expense (benefit) | $ 1,574 | $ (212)
Estimated annual effective income tax rate | 24.20% | 23.80%
Tax adjustment for unusual items | $ 700 | $ 1,800
Tax benefit related to vesting of share based compensation awards | $ 700 |
Foreign Jurisdiction [Member] |  |
Income Taxes [Line Items] |  |
Valuation allowance reserve in prior year |  | $ 1,700

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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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