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Marketable Securities - Amortized Cost (Details) - USD ($) $ in Thousands | Dec. 28, 2024 | Dec. 30, 2023
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Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] |  |
Amortized Cost | $ 189,930 | $ 222,704
Gross Unrealized Holding Gains | 2,695 | 4,929
Gross Unrealized Holding Losses | (6,583) | (6,553)
Fair Value | 186,041 |
Corporate and municipal bonds |  |
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] |  |
Amortized Cost | 171,258 | 177,972
Gross Unrealized Holding Gains | 2,525 | 3,853
Gross Unrealized Holding Losses | (6,583) | (6,553)
Fair Value | 167,201 | 175,272
Commercial Paper |  |
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] |  |
Amortized Cost | 18,671 | 44,732
Gross Unrealized Holding Gains | 169 | 1,076
Fair Value | $ 18,840 | $ 45,808

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