Leases - Schedule of Components of Lease Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023
Leases [Abstract]
Operating lease expense	$ 8,245	$ 7,685
Financing lease expense:
Amortization of leased assets	81	81
Interest on lease liabilities	116	118
Total financing lease expense	197	199
Short-term lease expense	2,959	2,579
Variable lease expense	296	294
Total lease expense	$ 11,697	$ 10,757