Income Taxes - Schedule of Components of Income Before Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2023
Income Tax Disclosure [Abstract]
U.S. operations	$ 2,117,251	$ 1,860,859	$ 1,632,391
Foreign operations	146,951	112,776	60,757
Income before income taxes	$ 2,264,202	$ 1,973,635	$ 1,693,148