Other Expense (Income), Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Other Income and Expenses [Abstract]
Pension non-service costs (credits)	$ 10,381	$ (10,581)	$ 14,542
Other	(604)	(1,265)	(903)
Other Expense (Income), Net	$ 9,777	$ (11,846)	$ 13,639