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Leases (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Lessee, Lease, Description [Line Items]
Right-of-use operating lease assets obtained in exchange for operating lease liabilities	$ 6.3	$ 1.1	$ 0.6
Lease expense associated with operating leases	1.3	1.1	1.2
Sublease revenue	1.5	$ 1.9	$ 2.4
Operating lease, payments	$ 0.5
Minimum [Member]
Lessee, Lease, Description [Line Items]
Remaining operating lease term	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Remaining operating lease term	11 years

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
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-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

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X

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Amount of sublease income excluding finance and operating lease expense.

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