Debt, Derivatives and Hedging Activities - Schedule of Debt Outstanding (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2024	May 31, 2024	Aug. 31, 2023
Debt due within one year
Debt issuance costs	$ (508)	$ (699)
Debt due within one year	615,702	449,595
Debt due after one year
Debt issuance costs	(10,102)	(10,616)
Total debt due after one year	$ 2,026,448	2,025,934
Commercial paper
Debt Instrument [Line Items]
Interest rate	5.44%
Debt due within one year
Debt due within one year	$ 166,000	0
Senior notes | Senior Notes 3.11%, 2025 Maturity
Debt Instrument [Line Items]
Effective interest rate	3.11%
Debt due within one year
Debt due within one year	$ 50,210	50,294
Senior notes | Senior Notes 3.45%, 2025 Maturity
Debt Instrument [Line Items]
Stated interest rate	3.45%
Debt due within one year
Debt due within one year	$ 400,000	400,000
Senior notes | Senior Notes, 3.70%, 2027 Maturity
Debt Instrument [Line Items]
Stated interest rate	3.70%
Debt due after one year
Debt due after one year, gross	$ 1,000,000	1,000,000
Senior notes | Senior Notes 4.00%, 2032 Maturity
Debt Instrument [Line Items]
Stated interest rate	4.00%
Debt due after one year
Debt due after one year, gross	$ 800,000	800,000
Senior notes | Senior Notes, 6.15%, 2037 Maturity
Debt Instrument [Line Items]
Stated interest rate	6.15%		6.15%
Debt due after one year
Debt due after one year, gross	$ 236,550	$ 236,550