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Investments (Tables) | 12 Months Ended
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Apr. 28, 2018
Investments |
Summary of investments |
(Amounts in thousands) |  | 4/28/2018 |  | 4/29/2017 |
Short-term investments: |  |  |  |  |
Available-for-sale investments |  | $ | 12,832 |  | $ | 15,040 |
Trading securities |  | 94 |  | 6 |
Held-to-maturity investments |  | 3,340 |  | 1,867 |
Total short-term investments |  | 16,266 |  | 16,913 |
Long-term investments: |  |  |  |  |
Available-for-sale investments |  | 32,134 |  | 31,264 |
Cost basis investments |  | 10,954 |  | 5,500 |
Total long-term investments |  | 43,088 |  | 36,764 |
Total investments |  | $ | 59,354 |  | $ | 53,677 |
Investments to enhance returns on cash |  | $ | 34,359 |  | $ | 33,087 |
Investments to fund compensation/retirement plans |  | $ | 14,041 |  | $ | 13,690 |
Other investments |  | $ | 10,954 |  | $ | 6,900 |
Summary of unrealized gains, unrealized losses, and fair value by investment type | Fiscal 2018
(Amounts in thousands) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Equity securities |  | $ | 2,142 |  | $ | (39 | ) | $ | 18,671 |
Fixed income |  | 29 |  | (418 | ) | 36,312 |
Mutual funds |  | — |  | — |  | 94 |
Other |  | 72 |  | — |  | 4,277 |
Total securities |  | $ | 2,243 |  | $ | (457 | ) | $ | 59,354 |
Fiscal 2017
(Amounts in thousands) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Equity securities |  | $ | 1,796 |  | $ | (83 | ) | $ | 13,610 |
Fixed income |  | 729 |  | (72 | ) | 37,580 |
Mutual funds |  | — |  | — |  | 6 |
Other |  | 1 |  | (8 | ) | 2,481 |
Total securities |  | $ | 2,526 |  | $ | (163 | ) | $ | 53,677 |
Summary of sales of available-for-sale securities |
|  | (52 weeks) |  | (52 weeks) |  | (53 weeks) |
(Amounts in thousands) |  | 4/28/2018 |  | 4/29/2017 |  | 4/30/2016 |
Proceeds from sales |  | $ | 22,674 |  | $ | 19,954 |  | $ | 28,721 |
Gross realized gains |  | 1,302 |  | 926 |  | 997 |
Gross realized losses |  | (532 | ) | (455 | ) | (561 | )

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