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Employee Benefit Plans - Schedule of expected future benefit payments (Details) $ in Millions | May 31, 2025 USD ($)
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U.K. | Pension Plans |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2026 | $ 1.5
2027 | 1.5
2028 | 1.5
2029 | 1.6
2030 | 1.6
2031 - 2035 | 8.7
United States | Other Postretirement Benefits |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2026 | 0.9
2027 | 0.8
2028 | 0.8
2029 | 0.7
2030 | 0.7
2031 - 2035 | 2.6
Medicare subsidy receipts |
2026 | 0.0
2027 | 0.0
2028 | 0.0
2029 | 0.0
2030 | 0.0
2031 - 2035 | $ 0.1

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