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Investments - Schedule of Investments (Details) - USD ($)
$ in Thousands
Apr. 27, 2024
Apr. 29, 2023
Summary of Investment Holdings [Line Items]    
Total investments $ 19,502 $ 24,903
Investments to enhance returns on cash    
Summary of Investment Holdings [Line Items]    
Total investments 6,754 11,617
Investments to fund compensation/retirement plans    
Summary of Investment Holdings [Line Items]    
Total investments 12,748 13,286
Short-term investments:    
Summary of Investment Holdings [Line Items]    
Marketable securities 5,553 5,043
Held-to-maturity investments 1,259 1,351
Total investments 6,812 6,394
Other long-term assets    
Summary of Investment Holdings [Line Items]    
Marketable securities $ 12,690 $ 18,509