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Investments - Summary of Unrealized Gains, Unrealized Losses and Fair Value (Details) - USD ($) $ in Thousands | Apr. 24, 2021 | Apr. 25, 2020
--- | --- | ---
Investments |  |
Gross Unrealized Gains | $ 3,493 | $ 1,651
Gross Unrealized Losses | (34) | (6,446)
Fair Value | 55,404 | 48,022
Equity securities |  |
Investments |  |
Gross Unrealized Gains | 2,798 | 1,011
Gross Unrealized Losses | (5) | (6,390)
Fair Value | 14,954 | 12,692
Fixed income |  |
Investments |  |
Gross Unrealized Gains | 136 | 268
Gross Unrealized Losses | (29) | (56)
Fair Value | 35,631 | 30,213
Other |  |
Investments |  |
Gross Unrealized Gains | 559 | 372
Gross Unrealized Losses | 0 | 0
Fair Value | $ 4,819 | $ 5,117

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