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Marketable Securities - Maturities (Details) - USD ($) $ in Thousands | Dec. 27, 2025 | Dec. 28, 2024
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Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Rolling Maturity [Abstract] |  |
Amortized Cost, Due within one year | $ 8,598 |
Amortized Cost, Due after one year through five years | 30,573 |
Amortized Cost, Due after five years through ten years | 7,761 |
Amortized Cost, Due after ten years | 52,541 |
Amortized Cost | 99,473 | $ 189,930
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract] |  |
Fair Value, Due within one year | 8,590 |
Fair Value, Due after one year through five years | 29,550 |
Fair Value, Due after five years through ten years | 7,612 |
Fair Value, Due after ten years | 51,339 |
Fair Value | $ 97,091 |

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