Goodwill and Other Intangibles - Schedule of other intangible assets subject to amortization (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
May 31, 2025 |
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| Finite-lived Intangible Assets [Roll Forward] | |||
| Beginning balance other intangibles subject to amortization | $ 85.8 | $ 8.2 | $ 8.2 |
| Additions | 0.0 | 85.3 | 85.3 |
| Amortization expense | (2.8) | (2.4) | (11.2) |
| Foreign currency translation | 1.5 | 1.5 | 3.5 |
| Total other intangibles subject to amortization, net of accumulated amortization of $24.8, $24.1 and $22.5, respectively | 84.5 | 92.6 | 85.8 |
| Accumulated amortization of intangible assets | 53.1 | 41.5 | 50.3 |
| Total other intangibles not subject to amortization | 2.1 | 2.1 | 2.1 |
| Total other intangibles | $ 86.6 | $ 94.7 | $ 87.9 |
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. No definition available.
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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