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Investment (Income), Net | 6 Months Ended
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Nov. 30, 2016
Other Income And Expenses [Abstract] |
Investment (Income), Net | NOTE 6 - INVESTMENT (INCOME), NET Investment (income), net, consists of the following components:
|  | Three Months Ended |  |  | Six Months Ended |
|  | November 30, |  |  | November 30, |
(In thousands) |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Interest (income) |  | $ | (1,093 | ) |  | $ | (1,218 | ) |  | $ | (2,233 | ) |  | $ | (2,582 | )
(Gain) on sale of marketable securities |  |  | (1,114 | ) |  |  | (2,042 | ) |  |  | (3,698 | ) |  |  | (4,418 | )
Other-than-temporary impairment on securities |  |  | 217 |  |  |  | 2,472 |  |  |  | 403 |  |  |  | 2,472 |
Dividend (income) |  |  | (426 | ) |  |  | (312 | ) |  |  | (726 | ) |  |  | (640 | )
Investment (income), net |  | $ | (2,416 | ) |  | $ | (1,100 | ) |  | $ | (6,254 | ) |  | $ | (5,168 | )

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- Definition Disclosure of other nonoperating income. + References No definition available. + Details
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