Debt, Derivatives and Hedging Activities - Schedule of Outstanding Debt (Details) - USD ($) $ in Thousands	Aug. 31, 2026	May 31, 2026
Debt due within one year
Debt issuance costs	$ (709)	$ (1,013)
Total debt due within one year	999,291	998,987
Debt due after one year
Debt issuance costs	(6,996)	(7,464)
Total debt due after one year	$ 1,429,554	1,429,086
Senior notes \| Senior Notes, 4.20%, 2028 Maturity
Debt Instrument [Line Items]
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]
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]
Interest rate	6.15%
Debt due after one year
Debt due after one year, gross	$ 236,550	236,550
Senior notes \| Senior Notes, 3.70%, 2027 Maturity
Debt Instrument [Line Items]
Interest rate	3.70%
Debt due within one year
Debt due within one year	$ 1,000,000	$ 1,000,000

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