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Investments | 3 Months Ended
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Jul. 27, 2019
Investments |
Investments | Note 7: 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 consisting of cost-basis preferred shares of two privately-held companies. 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 July 27, 2019, and April 27, 2019: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(Unaudited, amounts in thousands) |  | 7/27/19 |  | 4/27/19
Short-term investments: | ​ | ​ | ​ | ​ | ​ | ​
Marketable securities | ​ | $ | 26,002 | ​ | $ | 18,016
Held-to-maturity investments | ​ |  | 3,454 | ​ |  | 3,341
Total short-term investments | ​ |  | 29,456 | ​ |  | 21,357
​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term investments: | ​ | ​ | ​ | ​ | ​ | ​
Marketable securities | ​ |  | 21,023 | ​ |  | 24,085
Cost basis investments | ​ | ​ | 11,979 | ​ | ​ | 11,979
Total long-term investments | ​ | ​ | 33,002 | ​ | ​ | 36,064
​ | ​ | ​ | ​ | ​ | ​ | ​
Total investments | ​ | $ | 62,458 | ​ | $ | 57,421
​ | ​ | ​ | ​ | ​ | ​ | ​
Investments to enhance returns on cash | ​ | $ | 32,884 | ​ | $ | 31,470
Investments to fund compensation/retirement plans | ​ | $ | 17,595 | ​ | $ | 13,972
Other investments | ​ | $ | 11,979 | ​ | $ | 11,979
​ The following is a summary of the unrealized gains, unrealized losses, and fair value by investment type at July 27, 2019, and April 27, 2019: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
At July 27, 2019 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Gross | ​ | ​
(Unaudited, amounts in thousands) |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Equity securities | ​ | $ | 2,066 | ​ | $ | — | ​ | $ | 23,268
Fixed income | ​ |  | 155 | ​ |  | (47) | ​ |  | 34,382
Other | ​ |  | 324 | ​ |  | (16) | ​ |  | 4,808
Total securities | ​ | $ | 2,545 | ​ | $ | (63) | ​ | $ | 62,458
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
At April 27, 2019 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Gross | ​ | ​
(Unaudited, amounts in thousands) |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Equity securities | ​ | $ | 1,841 | ​ | $ | — | ​ | $ | 19,535
Fixed income | ​ |  | 75 | ​ |  | (111) | ​ |  | 33,217
Other | ​ |  | 258 | ​ |  | (13) | ​ |  | 4,669
Total securities | ​ | $ | 2,174 | ​ | $ | (124) | ​ | $ | 57,421
​ The following table summarizes sales of marketable securities: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quarter Ended
(Unaudited, amounts in thousands) |  | 7/27/19 |  | 7/28/18
Proceeds from sales | ​ | $ | 4,060 | ​ | $ | 4,762
Gross realized gains | ​ |  | 6 | ​ |  | 75
Gross realized losses | ​ |  | (2) | ​ |  | (55)
​ At July 27, 2019, the fair value of fixed income marketable securities, classified as available-for-sale securities, by contractual maturity was $22.6 million within one year, $9.4 million within two to five years, $1.6 million within six to ten years, and $0.8 million thereafter.

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