Debt, Derivatives and Hedging Activities - Narrative (Details) - USD ($)		12 Months Ended
	Apr. 17, 2023	May 31, 2024	May 31, 2023	May 31, 2022
Debt Instrument [Line Items]
Average interest rate		4.00%
Long-term debt, carrying amount		$ 2,025,934,000	$ 2,486,405,000
Repayments of commercial paper			261,200,000
Letters of credit outstanding, amount		118,000,000.0	99,600,000
Long-term Debt, Fiscal Year Maturity [Abstract]
Maturities of long term debt, year one		450,000,000.0
Maturities of long term debt, year two		0.0
Maturities of long term debt, year three		1,000,000,000
Maturities of long term debt, year four		0.0
Maturities of long term debt, year five		0.0
Interest paid		100,800,000	111,500,000	$ 97,800,000
Notional amount		500,000,000	500,000,000
Commercial paper
Long-term Debt, Fiscal Year Maturity [Abstract]
Debt due within one year		0	0
Other comprehensive Income
Long-term Debt, Fiscal Year Maturity [Abstract]
Amortization of interest rate lock agreements - decrease to other comprehensive income		6,000,000.0	6,100,000	$ 2,100,000
Revolving Credit Facility
Long-term Debt, Fiscal Year Maturity [Abstract]
Line of credit facility, accordion feature, increase limit (up to)		500,000,000.0
Borrowings on revolving credit facility		0	0
Term Notes Due Through 2037 | Unsecured Debt
Debt Instrument [Line Items]
Long-term debt, carrying amount		2,486,600,000	2,500,000,000
Long-term debt, fair value		2,392,800,000	$ 2,443,800,000
Senior Notes, 6.15%, 2037 Maturity | Senior Notes
Debt Instrument [Line Items]
Repayment of debt		$ 13,500,000
Interest rate		6.15%
Debt term		30 years
Loss recognized		$ 900,000
Senior Notes 2.78%, 2023 Maturity | Senior Notes
Debt Instrument [Line Items]
Repayment of debt	$ 50,000,000
Interest rate	3.73%
Debt term	10 years
Credit agreement | Revolving Credit Facility
Long-term Debt, Fiscal Year Maturity [Abstract]
Revolving credit facility, maximum borrowing capacity with accordion feature		$ 2,000,000,000