Income Taxes - Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Current
Federal	$ 32,743	$ 34,734	$ 38,893
State and local	1,576	2,891	3,089
Foreign	1,666	3,988	136
Subtotal	35,985	41,613	42,118
Deferred
Federal	(3,751)	(4,427)	9,158
State and local	3,801	(1,943)	2,558
Foreign	2,992	(708)	(1,133)
Subtotal	3,042	(7,078)	10,583
Total	$ 39,027	$ 34,535	$ 52,701