Leases - Supplemental cash flow information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2024 |
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| Leases | |||
| Cash paid for amounts included in the measurement of lease liabilities | $ 40.1 | $ 15.9 | $ 16.4 |
| Operating lease liabilities arising from obtaining ROU assets | 58.4 | $ 21.7 | $ 42.0 |
| Additional future payments | $ 31.0 | ||
| Unrecorded Unconditional Purchase Obligation, Category [Extensible Enumeration] | us-gaap:OperatingLeaseLeaseNotYetCommencedMember | ||
| Lease term | 15 years | ||
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- References No definition available.
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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrecorded obligation to transfer funds in future for fixed or minimum amount or quantity of product and service at fixed or minimum price. Includes, but is not limited to, lease not yet commenced and take-or-pay and throughput contracts. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates category of product and service for unrecorded unconditional purchase arrangement to acquire product or service. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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