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Income Taxes - Reconciliation of Income Tax Provision (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 25, 2022 | Dec. 26, 2021
Income Tax Disclosure [Abstract] |  |  |
Income tax (benefit) at federal statutory rate | $ 2.3 | $ (6.9) | $ 0.9
State taxes (benefit), net of federal tax benefit and valuation allowance | 3.7 | (0.3) | 0.5
Difference in tax rates between U.S. and foreign | 1.7 | (0.2) | (0.5)
Increase (decrease) in valuation allowance | (2.0) | 4.9 | 1.2
Nondeductible expense | 0.5 | 0.5 | 0.8
Increase in reserve for uncertain tax positions | 0.5 | 0.3 | 0.9
Other | 0.1 | 0.2 | 0.1
Officer’s compensation 162(m) limitation | 0.5 | 1.0 | 0.9
R&D tax credit | (0.9) | (0.9) | (0.9)
Stock-based compensation | 2.5 | 2.8 | 0.0
Total | $ 8.9 | $ 1.4 | $ 3.9

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