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Investments Available for Sale - Summary of Fair Value of Investments Available for Sale by Contractual Maturity (Details) - USD ($) $ in Thousands | Sep. 26, 2025 | Dec. 27, 2024
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Within one year | $ 16,505 |
Total | 16,505 | $ 86,335
Commercial Paper |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Within one year | 14,373 |
Total | 14,373 | 21,468
Certificates of Deposit |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Within one year | 1,525 |
Total | 1,525 | 1,997
Corporate Debt Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Within one year | 607 |
Total | $ 607 | $ 51,515

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