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Investment (Income), Net | 9 Months Ended
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Feb. 29, 2024
Other Income and Expenses [Abstract] |
Investment (Income), Net | NOTE 6 — INVESTMENT (INCOME), NET Investment (income), net, consists of the following components:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 29, |  | February 28, |  |  | February 29, |  | February 28, |
(In thousands) |  | 2024 |  | 2023 |  |  | 2024 |  | 2023 |
Interest (income) |  | $ | (5,914 | ) | $ | (2,266 | ) |  | $ | (16,262 | ) | $ | (6,805 | )
Net (gain) loss on marketable securities |  |  | (10,270 | ) |  | 429 |  |  |  | (16,496 | ) |  | 3,241 |
Dividend (income) |  |  | (2,481 | ) |  | (886 | ) |  |  | (3,635 | ) |  | (2,346 | )
Investment (income), net |  | $ | (18,665 | ) | $ | (2,723 | ) |  | $ | (36,393 | ) | $ | (5,910 | )
Net (Gain) Loss on Marketable Securities
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 29, |  | February 28, |  |  | February 29, |  | February 28, |
(In thousands) |  | 2024 |  | 2023 |  |  | 2024 |  | 2023 |
Unrealized (gains) losses on marketable equity securities |  | $ | (12,015 | ) | $ | 946 |  |  | $ | (18,439 | ) | $ | 3,704 |
Realized losses (gains) on marketable equity securities |  |  | 1,742 |  |  | (525 | ) |  |  | 1,874 |  |  | (435 | )
Realized losses (gains) on available-for-sale debt securities |  |  | 3 |  |  | 8 |  |  |  | 69 |  |  | (28 | )
Net (gain) loss on marketable securities |  | $ | (10,270 | ) | $ | 429 |  |  | $ | (16,496 | ) | $ | 3,241 |

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