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Investments - Components (Details) - USD ($) $ in Thousands | Jul. 29, 2023 | Apr. 29, 2023
--- | --- | ---
Summary of Investment Holdings [Line Items] |  |
Total investments | $ 23,858 | $ 24,903
Investments to enhance returns on cash |  |
Summary of Investment Holdings [Line Items] |  |
Total investments | 10,646 | 11,617
Investments to fund compensation/retirement plans |  |
Summary of Investment Holdings [Line Items] |  |
Total investments | 13,212 | 13,286
Short-term investments |  |
Summary of Investment Holdings [Line Items] |  |
Marketable Securities | 7,402 | 5,043
Held-to-maturity investments | 1,349 | 1,351
Total investments | 8,751 | 6,394
Long-term investments |  |
Summary of Investment Holdings [Line Items] |  |
Marketable Securities | $ 15,107 | $ 18,509

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