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v3.25.1

Debt, Derivatives and Hedging Activities - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Feb. 28, 2025 | Feb. 29, 2024 | Feb. 28, 2025 | Feb. 29, 2024 | May 31, 2024
Debt Instrument [Line Items] |  |  |  |  |
Debt, carrying value | $ 2,486,600,000 |  | $ 2,486,600,000 |  | $ 2,486,600,000
Debt, fair value | 2,455,200,000 |  | 2,455,200,000 |  | 2,392,800,000
Amortization of interest rate lock agreements - decrease to other comprehensive income | 1,500,000 | $ 1,500,000 | 4,600,000 | $ 4,500,000 |
Notional value | 500,000,000 |  | 500,000,000 |  | 500,000,000
Commercial paper |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Commercial paper | 0 |  | 0 |  | 0
Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Revolving credit facility, maximum borrowing capacity with accordion feature | 2,000,000,000 |  | 2,000,000,000 |  |
Debt amendment, increase limit (up to) | 500,000,000.0 |  | 500,000,000.0 |  |
Revolving credit facility amount outstanding | $ 0 |  | $ 0 |  | $ 0
Senior Notes, 6.15%, 2037 Maturity | Senior notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of debt |  |  |  | $ 13,500,000 |
Stated interest rate | 6.15% | 6.15% | 6.15% | 6.15% |
Debt term |  |  |  | 30 years |
Loss recognized |  |  |  | $ 900,000 |

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