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Investments - Unrealized Gains and Losses and Fair Value (Details) - USD ($) $ in Thousands | Jan. 27, 2024 | Apr. 29, 2023
--- | --- | ---
Summary of Investment Holdings [Line Items] |  |
Gross Unrealized Gains | $ 1,336 | $ 2,551
Gross Unrealized Losses | (128) | (723)
Fair Value | 20,835 | 24,903
Equity securities |  |
Summary of Investment Holdings [Line Items] |  |
Gross Unrealized Gains | 358 | 1,338
Gross Unrealized Losses | 0 | (103)
Fair Value | 3,906 | 6,853
Fixed income |  |
Summary of Investment Holdings [Line Items] |  |
Gross Unrealized Gains | 174 | 42
Gross Unrealized Losses | (120) | (620)
Fair Value | 13,045 | 14,039
Other |  |
Summary of Investment Holdings [Line Items] |  |
Gross Unrealized Gains | 804 | 1,171
Gross Unrealized Losses | (8) | 0
Fair Value | $ 3,884 | $ 4,011

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