v3.26.1
Investments - Summary of The Net Gains And Losses Recognized In Miscellaneous Income (Expense), Net (Detail) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Equity Method Investments and Joint Ventures [Abstract]      
Net unrealized gains on equity securities $ 15.7 $ 0.0 $ 0.0
Realized gains on sales of equity securities 0.0 0.0 0.0
Total recognized in net earnings $ 15.7 $ 0.0 $ 0.0