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Marketable Securities (Schedule of Available-for-sale Securities) (Details) - USD ($) $ in Thousands | Sep. 28, 2024 | Mar. 30, 2024
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 257,201 | $ 198,045
Gross Unrealized Gains | 3,648 | 115
Gross Unrealized Losses | (48) | (1,008)
Estimated Fair Value (Net Carrying Amount) | 260,801 | 197,152
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 245,715 | 186,194
Gross Unrealized Gains | 3,513 | 115
Gross Unrealized Losses | (40) | (916)
Estimated Fair Value (Net Carrying Amount) | 249,188 | 185,393
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 10,212 | 9,850
Gross Unrealized Gains | 135 | 0
Gross Unrealized Losses | (6) | (81)
Estimated Fair Value (Net Carrying Amount) | 10,341 | 9,769
Agency discount notes |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 385 | 1,135
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (2) | (11)
Estimated Fair Value (Net Carrying Amount) | 383 | 1,124
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 889 | 866
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value (Net Carrying Amount) | $ 889 | $ 866

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