Fair Value Measurements - Schedule of Movement in the Fair Value, Assets (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Apr. 30, 2026 |
Apr. 30, 2025 |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | $ 32.0 | $ 57.0 |
| Loss for the year | 0.0 | (25.0) |
| Ending balance | $ 32.0 | $ 32.0 |
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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 gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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