Other (Income) Expense, Net - Schedule of Other (Income) Expense, Net (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Other Income and Expenses [Abstract]
Pension non-service (credits) costs	$ (25)	$ 2,785	$ (52)	$ 5,566
Other	(457)	32	(964)	(195)
Other (income) expense, net	$ (482)	$ 2,817	$ (1,016)	$ 5,371