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Investment (Income), Net - Net (Gain) on Marketable Securities (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Aug. 31, 2024 | Aug. 31, 2023
Net (Gain) Loss on Marketable Securities |  |
Unrealized (gains) on marketable equity securities | $ (5,778) | $ (6,527)
Realized (gains) losses on marketable equity securities | (195) | 45
Realized losses on available-for-sale debt securities | 2 | 31
Net (gain) on marketable securities | $ (5,971) | $ (6,451)

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- Definition Amount of realized and unrealized gain (loss) on investment in marketable security. + References No definition available. + Details
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