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Marketable Securities (Detail) - USD ($) $ in Thousands | May 31, 2023 | May 31, 2022
--- | --- | ---
Marketable Securities, Current | $ 82,329 | $ 336,578
Commercial Paper | Maturing in 0 - 90 days |  |
Marketable Securities, Current | 22,552 | 106,497
Commercial Paper | Maturing in 91 - 180 days |  |
Marketable Securities, Current | 35,692 | 61,373
Commercial Paper | Maturing in 1 - 2 years |  |
Marketable Securities, Current | 317 | 77,002
Certificates of Deposit | Maturing in 181 days -1 year |  |
Marketable Securities, Current | $ 23,768 | $ 91,706

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