Goodwill and Other Intangibles - Schedule of activity in goodwill (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | 11 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
May 31, 2025 |
May 31, 2025 |
May 31, 2025 |
May 31, 2024 |
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| Goodwill [Line Items] | ||||||
| Gross goodwill | $ 238.5 | $ 238.5 | $ 238.5 | $ 172.4 | ||
| Goodwill, Impaired, Accumulated Impairment Loss | (39.6) | (39.6) | (39.6) | $ (39.6) | ||
| Goodwill [Roll Forward] | ||||||
| Beginning balance | $ 198.9 | $ 132.8 | 204.4 | 132.8 | ||
| Additions | 0.0 | |||||
| Foreign currency translation | 0.8 | 1.5 | 1.9 | |||
| Ending balance | $ 199.7 | 204.4 | 198.9 | 198.9 | 198.9 | |
| 9 Story Media Group Inc. | ||||||
| Goodwill [Roll Forward] | ||||||
| Additions | $ 70.1 | |||||
| Additions | $ 64.2 | |||||
| Measurement period adjustments | (5.9) | |||||
| Increase (decrease) to acquired deferred tax liabilities | (5.3) | |||||
| Increase (decrease) to acquired operating lease right of use assets | 0.3 | |||||
| Increase (decrease) to acquired lease libailtiies | (0.1) | |||||
| Step-up adjustment | 0.1 | |||||
| Increase (decrease) to purchase price | $ 0.2 | $ (0.1) | ||||
| X | ||||||||||
- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities No definition available.
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- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Lease Liabilities No definition available.
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- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease Right-of-Use Asset No definition available.
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- Definition Goodwill, Acquired During Period, After Measurement Adjustments No definition available.
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| X | ||||||||||
- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to items of consideration transferred in connection with a business combination for which the initial accounting was incomplete. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to property, plant, and equipment acquired in connection with a business combination for which the initial accounting was incomplete. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Includes amount, before amortization expense and impairment loss, of goodwill for private company. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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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- Details
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