Income Taxes - Earnings before Income Taxes (Detail) - USD ($) $ in Thousands		12 Months Ended
		May 31, 2024	May 31, 2023	May 31, 2022
Income Tax Disclosure [Abstract]
U.S. based operations		$ 107,643	$ 149,670	$ 212,811
Non – U.S. based operations		(33,636)	10,616	(2,162)
Earnings before income taxes		74,007	160,286	210,649
Net loss attributable to noncontrolling interests		7,197	12,642	19,878
Net loss attributable to noncontrolling interests	[1]	263	0	0
Earnings before income taxes attributable to controlling interest		$ 74,270	$ 160,286	$ 210,649

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