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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 27, 2024 | Dec. 29, 2023 | Dec. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Deferred tax assets: |  |  |  |
Accrued expenses | $ 1,230 | $ 1,435 |  |
Stock-based compensation | 6,103 | 4,010 |  |
Operating lease liability | 6,466 | 6,162 |  |
Net operating loss and other credit carryforwards | 44,083 | 44,998 |  |
Other deferred tax assets | 2,776 | 2,376 |  |
Gross deferred tax assets | 60,658 | 58,981 |  |
Valuation allowance | (46,804) | (42,744) | $ (46,977) | $ (62,860)
Total deferred tax assets | 13,854 | 16,237 |  |
Deferred tax liabilities: |  |  |  |
Property, plant, equipment and intangibles | (5,976) | (4,222) |  |
Operating lease ROU assets | (6,066) | (6,019) |  |
Foreign taxes | (1,321) | (1,883) |  |
Total deferred tax liabilities | (13,363) | (12,124) |  |
Total net deferred tax assets | $ 491 | $ 4,113 |  |

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