Income Taxes - Earnings before Income Taxes (Detail) - USD ($) $ in Thousands		12 Months Ended
		May 31, 2023	May 31, 2022	May 31, 2021
Income Tax Disclosure [Abstract]
U.S. based operations		$ 308,719	$ 470,248	$ 897,601
Non – U.S. based operations		36,649	44,038	20,116
Earnings before income taxes		345,368	514,286	917,717
Net earnings attributable to noncontrolling interests	[1]	12,642	19,878	17,655
Earnings before income taxes attributable to controlling interest		$ 332,726	$ 494,408	$ 900,062

[1] Net earnings attributable to noncontrolling interests are not taxable to us.