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Stock-Based Compensation (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2023 | Sep. 28, 2025 | Sep. 29, 2024 | Sep. 28, 2025 | Sep. 29, 2024 | Dec. 29, 2024 | Dec. 31, 2023
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense |  | $ 4.2 | $ 1.5 | $ 8.2 | $ 4.1 |  |
Stock options vested |  |  |  |  |  | $ 1.9 | $ 3.8
Percentage of expected dividends |  |  |  |  |  | 0.00% | 0.00%
Number of vesting options (in Shares) |  |  |  |  |  | 788,192 | 52,167
Vested options (in Shares) |  |  |  |  |  | 4,343,172 | 280,412
Incremental stock-based compensation expense |  |  |  |  |  | $ 0.7 | $ 0.1
Service Based Option [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Unrecognized stock-based compensation |  | 1.6 |  | $ 1.6 |  |  |
Weighted-average period |  |  |  | 2 years 9 months 18 days |  |  |
RSU [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Unrecognized stock-based compensation |  | $ 29.4 |  | $ 29.4 |  |  |
Weighted-average period |  |  |  | 4 years 3 months 18 days |  |  |
Unrecognized stock-based compensation costs |  |  |  |  |  | $ 4.2 |
Weighted-average period of service-based options |  |  |  |  |  | 4 years 8 months 12 days |
Stock Option [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Expected term |  |  |  |  |  | 10 years |
Percentage of expected dividends |  |  |  |  |  | 0.00% |
Service-Based Options [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Unrecognized stock-based compensation costs |  |  |  |  |  | $ 15.1 |
Weighted-average period of service-based options |  |  |  |  |  | 2 years 2 months 12 days |
2023 Incentive Equity Plan [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Shares issued under plan (in Shares) | 8,763,322 |  |  |  |  |  |
Percentage of common stock outstanding | 4.00% |  |  |  |  |  |
ISOs under the 2023 Plan [Member] |  |  |  |  |  |  |
Stock-Based Compensation [Line Items] |  |  |  |  |  |  |
Shares issued under plan (in Shares) | 26,289,966 |  |  |  |  |  |

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