Income before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Income Tax Disclosure [Abstract]
Income Before Income Taxes, United States	$ 557,401	$ 342,834	$ 462,468
Income Before Income Taxes, Foreign	91,981	263,965	205,970
Income Before Income Taxes	$ 649,382	$ 606,799	$ 668,438