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Investments - Components (Details) - USD ($) $ in Thousands | Jan. 28, 2023 | Apr. 30, 2022
--- | --- | ---
Investments |  |
Total investments | $ 39,650 | $ 51,537
Investments to enhance returns on cash |  |
Investments |  |
Total investments | 15,793 | 27,239
Investments to fund compensation/retirement plans |  |
Investments |  |
Total investments | 13,542 | 14,219
Other investments |  |
Investments |  |
Total investments | 10,315 | 10,079
Short-term investments |  |
Investments |  |
Marketable securities | 10,911 | 16,022
Held-to-maturity investments | 1,404 | 1,337
Total investments | 12,315 | 17,359
Long-term investments |  |
Investments |  |
Marketable securities | 19,756 | 26,599
Cost basis investments | 7,579 | 7,579
Total investments | $ 27,335 | $ 34,178

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