Derivative Financial Instruments and Hedging Activities - Schedule of Loss on Fair Value Hedges Recognized in Earnings (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Derivative [Line Items] | ||
| Loss Recognized in Earnings | $ (2.8) | $ 0.0 |
| Fair Value Cross-Currency Swap | Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense | ||
| Derivative [Line Items] | ||
| Loss Recognized in Earnings | (1.5) | 0.0 |
| Hedged Portion of Euro-Denominated Loan | Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense | ||
| Derivative [Line Items] | ||
| Loss Recognized in Earnings | $ (1.3) | $ 0.0 |