Other (Income) Expense, Net - Schedule of Other (Income) Expense, Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Other Income and Expenses [Abstract]
Pension non-service (credits) costs	$ (34)	$ 2,793	$ (87)	$ 8,359
Other	(320)	(191)	(1,283)	(386)
Other (income) expense, net	$ (354)	$ 2,602	$ (1,370)	$ 7,973