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Investments | 9 Months Ended
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Jan. 27, 2018
Investments |
Investments | Note 6: Investments We have current and long-term investments intended to enhance returns on our cash as well as to fund future obligations of our non-qualified defined benefit retirement plan, our executive deferred compensation plan, and our performance compensation retirement plan. We also hold other investments, which at January 27, 2018, included cost-basis preferred shares of two privately-held companies, and at April 29, 2017, included an available-for-sale convertible debt security and cost-basis preferred shares of a privately-held company. Our short-term investments are included in other current assets and our long-term investments are included in other long-term assets on our consolidated balance sheet. The following summarizes our investments at January 27, 2018, and April 29, 2017:
(Unaudited, amounts in thousands) |  | 1/27/18 |  | 4/29/17 |
Short-term investments: |  |  |  |  |
Available-for-sale investments |  | $ | 12,737 |  | $ | 15,040 |
Trading securities |  | 12 |  | 6 |
Held-to-maturity investments |  | 3,358 |  | 1,867 |
Total short-term investments |  | 16,107 |  | 16,913 |
Long-term investments: |  |  |  |  |
Available-for-sale investments |  | 33,983 |  | 31,264 |
Cost basis investments |  | 10,954 |  | 5,500 |
Total long-term investments |  | 44,937 |  | 36,764 |
Total investments |  | $ | 61,044 |  | $ | 53,677 |
Investments to enhance returns on cash |  | $ | 35,401 |  | $ | 33,087 |
Investments to fund compensation/retirement plans |  | $ | 14,689 |  | $ | 13,690 |
Other investments |  | $ | 10,954 |  | $ | 6,900 |
The following is a summary of the unrealized gains, unrealized losses, and fair value by investment type at January 27, 2018, and April 29, 2017: At January 27, 2018
(Unaudited, amounts in thousands) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Equity securities |  | $ | 2,565 |  | $ | (25 | ) | $ | 19,094 |
Fixed income |  | 38 |  | (309 | ) | 37,479 |
Mutual funds |  | — |  | — |  | 12 |
Other |  | 77 |  | — |  | 4,459 |
Total securities |  | $ | 2,680 |  | $ | (334 | ) | $ | 61,044 |
At April 29, 2017
(Unaudited, 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 |
The following table summarizes sales of available-for-sale securities:
|  | Quarter Ended |  | Nine Months Ended |
(Unaudited, amounts in thousands) |  | 1/27/18 |  | 1/28/17 |  | 1/27/18 |  | 1/28/17 |
Proceeds from sales |  | $ | 5,580 |  | $ | 4,142 |  | $ | 17,109 |  | $ | 13,899 |
Gross realized gains |  | 870 |  | 866 |  | 1,288 |  | 913 |
Gross realized losses |  | (284 | ) | (366 | ) | (512 | ) | (404 | )
The fair value of fixed income available-for-sale securities by contractual maturity was $12.8 million within one year, $22.5 million within two to five years, $1.5 million within six to ten years, and $0.7 million thereafter.

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