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Investments - Schedule of Investments (Details) - USD ($) $ in Thousands | Apr. 29, 2023 | Apr. 30, 2022
--- | --- | ---
Investments |  |
Total investments | $ 24,903 | $ 51,537
Investments to enhance returns on cash |  |
Investments |  |
Total investments | 11,617 | 27,239
Investments to fund compensation/retirement plans |  |
Investments |  |
Total investments | 13,286 | 14,219
Other investments |  |
Investments |  |
Total investments | 0 | 10,079
Short-term investments: |  |
Investments |  |
Marketable securities | 5,043 | 16,022
Held-to-maturity investments | 1,351 | 1,337
Total investments | 6,394 | 17,359
Long-term investments: |  |
Investments |  |
Marketable securities | 18,509 | 26,599
Cost basis investments | 0 | 7,579
Total investments | $ 18,509 | $ 34,178

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