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Long-term investments (Tables) | 12 Months Ended
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May 31, 2021
Investments All Other Investments [Abstract] |
Schedule of Long-term Investments | Long-term investments are comprised of the following items:
|  | Fair value May 31, 2021 |  |  | Fair value May 31, 2020 |
Equity investments measured at fair value |  |  | 12,185 |  |  |  | 19,595 |
Equity investments under measurement alternative |  |  | 5,500 |  |  |  | — |
Total other investments |  |  | 17,685 |  |  |  | 19,595 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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