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Investments - Schedule of Sales and Maturities (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jul. 27, 2024 | Jul. 29, 2023
Sales of Marketable Securities |  |
Proceeds from sales | $ 7,879 | $ 12,404
Gross realized gains | 115 | 161
Gross realized losses | (35) | $ (468)
Fair Value of Available-For-Sale Securities By Contractual Maturity |  |
Within one year | 3,174 |
Securities not due at a single maturity date | 4,080 |
Total | $ 7,254 |

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