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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2023 | Aug. 31, 2022
Income Taxes [Line Items] |  |
Valuation allowance | $ 491 | $ 1,203
Unrecognized tax benefits that would impact effective tax rate | 300 | 500
Interest and penalties recognized | 200 | 400
Accrued interest and penalties | $ 300 | $ 400
Maximum [Member] |  |
Income Taxes [Line Items] |  |
Percentage of Recognized largest amount benefit realized upon settlement |  | 50.00%
Statutes of limitation range period | 6 years |
Minimum [Member] |  |
Income Taxes [Line Items] |  |
Statutes of limitation range period | 3 years |
Filtration Business [Member] |  |
Income Taxes [Line Items] |  |
Valuation allowance | $ 500 | $ 800

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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 -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
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