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Investments - Summary of Unrealized Gains, Unrealized Losses and Fair Value (Details) - USD ($) $ in Thousands | Apr. 30, 2022 | Apr. 24, 2021
--- | --- | ---
Investments |  |
Gross Unrealized Gains | $ 2,726 | $ 3,493
Gross Unrealized Losses | (895) | (34)
Fair Value | 51,537 | 55,404
Equity securities |  |
Investments |  |
Gross Unrealized Gains | 1,448 | 2,798
Gross Unrealized Losses | (86) | (5)
Fair Value | 13,905 | 14,954
Fixed income |  |
Investments |  |
Gross Unrealized Gains | 28 | 136
Gross Unrealized Losses | (809) | (29)
Fair Value | 33,521 | 35,631
Other |  |
Investments |  |
Gross Unrealized Gains | 1,250 | 559
Gross Unrealized Losses | 0 | 0
Fair Value | $ 4,111 | $ 4,819

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