Leases - Other Information Related to Leases (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating Leases, Operating cash flows	$ 13,514	$ 16,506
Operating Leases, ROU assets obtained in exchange for lease liabilities	$ 75,986	$ 20,421
Operating Leases, Weighted-average remaining lease term (in years)	13 years 5 months 23 days	5 years 9 months 29 days
Operating Leases, Weighted-average discount rate	2.97%	2.61%
Financing Leases, Operating cash flows	$ 123	$ 145
Financing Leases, Financing cash flows	101	$ 392
Financing Leases, ROU assets obtained in exchange for lease liabilities	$ 2
Financing Leases, Weighted-average remaining lease term (in years)	37 years 4 months 9 days	33 years 10 days
Financing Leases, Weighted-average discount rate	3.75%	3.71%