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Marketable Securities (Narrative) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Dec. 30, 2023 | Mar. 25, 2023
Debt Securities, Available-for-sale [Line Items] |  |
Gross unrealized losses | $ 699 | $ 1,997
Amortized cost on available for sale securities held at gross unrealized loss | 50,200 | 64,000
Securities in a continuous unrealized loss position for more than 12 months, amortized cost | 37,600 | 56,300
Securities in a continuous unrealized loss position for more than 12 months, aggregate unrealized loss | $ 600 | $ 1,900
Minimum |  |
Debt Securities, Available-for-sale [Line Items] |  |
Maturity period for highly-rated securities | 1 year |
Maximum |  |
Debt Securities, Available-for-sale [Line Items] |  |
Maturity period for highly-rated securities | 3 years |

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