v3.26.3
Debt, Derivatives and Hedging Activities - Narrative (Details) - USD ($)
3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
May 31, 2026
Debt Instrument [Line Items]      
Long-term debt, carrying amount $ 2,436,600,000   $ 2,436,600,000
Debt, fair value 2,402,300,000   2,425,200,000
Notional value 500,000,000.0   500,000,000.0
Commercial paper      
Debt Instrument [Line Items]      
Debt due within one year 0   0
Accumulated Other Comprehensive Income      
Debt Instrument [Line Items]      
Amortization of interest rate lock agreements - decrease to other comprehensive income 1,500,000 $ 1,500,000  
Revolving credit facility      
Debt Instrument [Line Items]      
Revolving credit facility, maximum borrowing capacity with accordion feature 2,000,000,000.0    
Revolving credit facility amount outstanding 0   $ 0
Revolving credit facility | Commercial paper      
Debt Instrument [Line Items]      
Line of credit facility, accordion feature, increase limit (up to) 1,000,000,000.0    
Letter of Credit | Commercial paper      
Debt Instrument [Line Items]      
Revolving credit facility, maximum borrowing capacity with accordion feature 300,000,000.0    
Bridge Loan | Commercial paper      
Debt Instrument [Line Items]      
Revolving credit facility, maximum borrowing capacity with accordion feature $ 150,000,000.0