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Commitments and Contingencies - Schedule of Warranty Provision (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 28, 2025 | Sep. 29, 2024 | Dec. 29, 2024 | Dec. 31, 2023
Schedule of Warranty Provision [Line Items] |  |  |  |
Warranty provision, beginning of period | $ 5,968 | $ 4,849 | $ 4,849 | $ 3,981
Accruals for new warranties issued | 3,238 | 830 | 695 | 2,968
Settlements, other | (5,837) | (932) | (158) | (2,100)
Warranty provision, end of period | 3,369 | 4,747 | 5,968 | 4,849
Warranty provision, current |  |  | 2,531 | 1,433
Warranty provision, noncurrent | 2,140 | 3,322 | $ 3,437 | $ 3,416
Warranty Provision, Current [Member] |  |  |  |
Schedule of Warranty Provision [Line Items] |  |  |  |
Warranty provision, current | $ 1,229 | $ 1,425 |  |

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