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Investments - Unrealized Gains and Losses and Fair Value (Details) - USD ($)
$ in Thousands
Oct. 28, 2023
Apr. 29, 2023
Summary of Investment Holdings [Line Items]    
Gross Unrealized  Gains $ 1,165 $ 2,551
Gross Unrealized  Losses (538) (723)
Fair Value 21,341 24,903
Equity securities    
Summary of Investment Holdings [Line Items]    
Gross Unrealized  Gains 0 1,338
Gross Unrealized  Losses (138) (103)
Fair Value 3,805 6,853
Fixed income    
Summary of Investment Holdings [Line Items]    
Gross Unrealized  Gains 0 42
Gross Unrealized  Losses (400) (620)
Fair Value 13,714 14,039
Other    
Summary of Investment Holdings [Line Items]    
Gross Unrealized  Gains 1,165 1,171
Gross Unrealized  Losses 0 0
Fair Value $ 3,822 $ 4,011