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Income Taxes (Summary Of Tax Credit Carryforwards) (Details) $ in Thousands	12 Months Ended
	Aug. 31, 2023 USD ($)
Tax Credit Carryforward [Line Items]
Credits Generated	$ 6,592
Credits Used in Prior Years	(1,346)
Credits Reduced in Current Year	(64)
Credits Used in Current Year	(929)
Credits Carried Forward	$ 4,253
Tax Year 2018 [Member]
Tax Credit Carryforward [Line Items]
Credit Generated in Fiscal Year Ended	Aug. 31, 2018
Credit Expires	Aug. 31, 2028
Credits Generated	$ 1,727
Credits Used in Prior Years	(965)
Credits Reduced in Current Year	(21)
Credits Used in Current Year
Credits Carried Forward	$ 741
Tax Year 2019 [Member]
Tax Credit Carryforward [Line Items]
Credit Generated in Fiscal Year Ended	Aug. 31, 2019
Credit Expires	Aug. 31, 2029
Credits Generated	$ 1,578
Credits Used in Prior Years	(234)
Credits Reduced in Current Year
Credits Used in Current Year
Credits Carried Forward	$ 1,344
Tax Year 2020 [Member]
Tax Credit Carryforward [Line Items]
Credit Generated in Fiscal Year Ended	Aug. 31, 2020
Credit Expires	Aug. 31, 2030
Credits Generated	$ 1,010
Credits Used in Prior Years	(147)
Credits Reduced in Current Year	(18)
Credits Used in Current Year
Credits Carried Forward	$ 845
Tax Year 2022 [Member]
Tax Credit Carryforward [Line Items]
Credit Generated in Fiscal Year Ended	Aug. 31, 2022
Credit Expires	Aug. 31, 2032
Credits Generated	$ 1,216
Credits Used in Prior Years
Credits Reduced in Current Year	(25)
Credits Used in Current Year
Credits Carried Forward	$ 1,191
Tax Year 2023 [Member]
Tax Credit Carryforward [Line Items]
Credit Generated in Fiscal Year Ended	Aug. 31, 2023
Credit Expires	Aug. 31, 2033
Credits Generated	$ 1,061
Credits Used in Prior Years
Credits Reduced in Current Year
Credits Used in Current Year	(929)
Credits Carried Forward	$ 132

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-3

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Expiration date of the tax credit carryforward, in YYYY-MM-DD format.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-3

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