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Summary of Significant Accounting Policies - Marketable Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 27, 2025 | Dec. 28, 2024 | Dec. 30, 2023
Marketable Securities [Abstract] |  |  |
Marketable securities | $ 97,091 | $ 191,971 |
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract] |  |  |
Unrealized gain (loss) on equity securities | $ 1,313 | $ 1,020 | $ (275)

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