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Investment Expense (Income), Net | 3 Months Ended
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Aug. 31, 2022
Other Income and Expenses [Abstract] |
Investment Expense (Income), Net | NOTE 5 — INVESTMENT EXPENSE (INCOME), NET Investment expense (income), net, consists of the following components:
|  | Three Months Ended |
|  | August 31, |  | August 31, |
(In thousands) |  | 2022 |  | 2021 |
Interest (income) |  | $ | (2,150 | ) | $ | (1,153 | )
Net loss (gain) on marketable securities |  |  | 6,606 |  |  | (3,476 | )
Dividend (income) |  |  | (792 | ) |  | (1,121 | )
Investment expense (income), net |  | $ | 3,664 |  | $ | (5,750 | )
Net Loss (Gain) on Marketable Securities
|  | Three Months Ended |
|  | August 31, |  | August 31, |
(In thousands) |  | 2022 |  | 2021 |
Unrealized losses (gains) on marketable equity securities |  | $ | 6,513 |  | $ | (3,218 | )
Realized losses (gains) on marketable equity securities |  |  | 129 |  |  | (269 | )
Realized (gains) losses on available-for-sale debt securities |  |  | (36 | ) |  | 11 |
Net loss (gain) on marketable securities |  | $ | 6,606 |  | $ | (3,476 | )

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