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Investments - Unrealized Gains and Losses and Fair Value (Details) - USD ($) $ in Thousands | Jan. 22, 2022 | Apr. 24, 2021
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Summary of investments |  |
Gross Unrealized Gains | $ 3,386 | $ 3,493
Gross Unrealized Losses | (259) | (34)
Fair Value | 52,669 | 55,404
Equity securities |  |
Summary of investments |  |
Gross Unrealized Gains | 2,004 | 2,798
Gross Unrealized Losses | (55) | (5)
Fair Value | 14,535 | 14,954
Fixed income |  |
Summary of investments |  |
Gross Unrealized Gains | 92 | 136
Gross Unrealized Losses | (204) | (29)
Fair Value | 33,780 | 35,631
Other |  |
Summary of investments |  |
Gross Unrealized Gains | 1,290 | 559
Gross Unrealized Losses | 0 | 0
Fair Value | $ 4,354 | $ 4,819

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