Cash and Marketable Securities - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Nov. 30, 2023	May 31, 2023
Restricted Cash and Cash Equivalents Items [Line Items]
Cash and cash equivalents	$ 205,765	$ 163,240
Marketable securities, maturity period	90 days
Minimum
Restricted Cash and Cash Equivalents Items [Line Items]
Marketable securities, maturity period	91 days
Maximum
Restricted Cash and Cash Equivalents Items [Line Items]
Marketable securities, maturity period	2 years