Cash And Marketable Securities - Schedule Of Classification And Maturities Of Marketable Securities (Detail) - USD ($) $ in Thousands	Feb. 29, 2024	May 31, 2023
Marketable Securities, Current	$ 7,010	$ 82,329
Maturing in 0 - 90 days
Marketable Securities, Current	$ 6,687	$ 22,552
Investment, Type [Extensible Enumeration]	Commercial Paper [Member]	Commercial Paper [Member]
Maturing in 91 - 180 days
Marketable Securities, Current	$ 323	$ 35,692
Investment, Type [Extensible Enumeration]	Commercial Paper [Member]	Commercial Paper [Member]
Maturing in 181 days - 1 year
Marketable Securities, Current	$ 0	$ 23,768
Investment, Type [Extensible Enumeration]	Commercial Paper [Member]	Commercial Paper [Member]
Maturing in 1 - 2 years
Marketable Securities, Current	$ 0	$ 317
Investment, Type [Extensible Enumeration]	Commercial Paper [Member]	Commercial Paper [Member]