Debt, Derivatives and Hedging Activities - Schedule of Debt Outstanding (Details) - USD ($) $ in Thousands	Aug. 31, 2025	May 31, 2025
Debt due after one year
Debt issuance costs	$ (10,793)	$ (11,551)
Total debt due after one year	$ 2,425,757	2,424,999
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, 4.20%, 2028 Maturity
Debt Instrument [Line Items]
Stated interest rate	4.20%
Debt due after one year
Debt due after one year, gross	$ 400,000	400,000
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%
Debt due after one year
Debt due after one year, gross	$ 236,550	$ 236,550