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Investment (Income) Expenses, Net (Tables) | 9 Months Ended
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Feb. 28, 2022
Other Income and Expenses [Abstract] |
Investment (Income) Expense, Net | Investment (income) expense, net, consists of the following components:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 28, |  | February 28, |  |  | February 28, |  | February 28, |
(In thousands) |  | 2022 |  | 2021 |  |  | 2022 |  | 2021 |
Interest (income) |  | $ | (1,203 | ) | $ | (968 | ) |  | $ | (3,349 | ) | $ | (2,409 | )
Net loss (gain) on marketable securities |  |  | 8,215 |  |  | (9,480 | ) |  |  | 10,032 |  |  | (29,652 | )
Dividend (income) |  |  | (2,657 | ) |  | (1,006 | ) |  |  | (5,262 | ) |  | (1,674 | )
Investment (income) expense, net |  | $ | 4,355 |  | $ | (11,454 | ) |  | $ | 1,421 |  | $ | (33,735 | )
Net Loss (Gain) on Marketable Securities | Net Loss (Gain) on Marketable Securities
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 28, |  | February 28, |  |  | February 28, |  | February 28, |
(In thousands) |  | 2022 |  | 2021 |  |  | 2022 |  | 2021 |
Unrealized losses (gains) on marketable equity securities |  | $ | 8,903 |  | $ | (6,650 | ) |  | $ | 11,227 |  | $ | (28,469 | )
Realized (gains) on marketable equity securities |  |  | (699 | ) |  | (2,834 | ) |  |  | (1,223 | ) |  | (1,210 | )
Realized losses on available-for-sale debt securities |  |  | 11 |  |  | 4 |  |  |  | 28 |  |  | 27 |
Net loss (gain) on marketable securities |  | $ | 8,215 |  | $ | (9,480 | ) |  | $ | 10,032 |  | $ | (29,652 | )

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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