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Investments (Tables) | 9 Months Ended
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Jan. 28, 2017
Investments |
Summary of investments |
(Unaudited, amounts in thousands) |  | 1/28/17 |  | 4/30/16 |
Short-term investments: |  |  |  |  |
Available-for-sale investments |  | $ | 13,854 |  | $ | 13,491 |
Trading securities |  | 10 |  | — |
Held-to-maturity investments |  | 1,830 |  | 1,826 |
Total short-term investments |  | 15,694 |  | 15,317 |
Long-term investments: |  |  |  |  |
Available-for-sale investments |  | 28,451 |  | 31,659 |
Cost basis investment |  | 5,500 |  | — |
Total long-term investments |  | 33,951 |  | 31,659 |
Total investments |  | $ | 49,645 |  | $ | 46,976 |
Investments to enhance returns on cash |  | $ | 29,859 |  | $ | 33,583 |
Investments to fund compensation/retirement plans |  | $ | 13,536 |  | $ | 13,393 |
Other investments |  | $ | 6,250 |  | $ | — |
Summary of unrealized gains, unrealized losses, and fair value by investment type | At January 28, 2017
(Unaudited, amounts in thousands) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Equity securities |  | $ | 1,467 |  | $ | (98 | ) | $ | 13,257 |
Fixed income |  | 62 |  | (118 | ) | 33,972 |
Mutual funds |  | — |  | — |  | 10 |
Other |  | 1 |  | (8 | ) | 2,406 |
Total securities |  | $ | 1,530 |  | $ | (224 | ) | $ | 49,645 |
At April 30, 2016
(Unaudited, amounts in thousands) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Equity securities |  | $ | 1,231 |  | $ | (135 | ) | $ | 8,150 |
Fixed income |  | 176 |  | (9 | ) | 36,527 |
Other |  | 1 |  | (21 | ) | 2,299 |
Total securities |  | $ | 1,408 |  | $ | (165 | ) | $ | 46,976 |
Summary of sales of available-for-sale securities |
|  | Quarter Ended |  | Nine Months Ended |
(Unaudited, amounts in thousands) |  | 1/28/17 |  | 1/23/16 |  | 1/28/17 |  | 1/23/16 |
Proceeds from sales |  | $ | 4,142 |  | $ | 4,487 |  | $ | 13,899 |  | $ | 23,896 |
Gross realized gains |  | 866 |  | 267 |  | 913 |  | 970 |
Gross realized losses |  | (366 | ) | (18 | ) | (404 | ) | (557 | )

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