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Other Intangible Assets - Schedule of Other Intangible Assets with Finite Useful Lives (Details) - Other Intangible Asset [Member] - USD ($) $ in Thousands | Sep. 28, 2025 | Dec. 29, 2024
--- | --- | ---
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | $ 41,816 | $ 18,100
Accumulated Amortization |  | (2,860) | (715)
Net Book Value |  | 38,956 | 17,385
Customer related intangible [Member] |  |  |
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | 9,279 |
Accumulated Amortization |  |  |
Net Book Value |  | 9,279 |
Trademark – Blue Raven Solar [Member] |  |  |
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | 7,094 | 8,400
Accumulated Amortization | [1] | (840) | (210)
Net Book Value |  | 6,254 | 8,190
Trademark – SunPower [Member] |  |  |
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | 4,300 | 5,200
Accumulated Amortization | [1] | (520) | (130)
Net Book Value |  | 3,780 | 5,070
Trademark – Sunder [Member] |  |  |
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | 2,427 |
Accumulated Amortization |  |  |
Net Book Value |  | 2,427 |
Developed technology [Member] |  |  |
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | 4,500 | 4,500
Accumulated Amortization | [1] | (1,500) | (375)
Net Book Value |  | 3,000 | $ 4,125
Developed technology – Sunder [Member] |  |  |
Schedule of Other Intangible Assets with Finite Useful Lives [Line Items] |  |  |
Gross Carrying Amount |  | 14,216 |
Accumulated Amortization |  |  |
Net Book Value |  | $ 14,216 |
[1] | The gross carrying amounts as of September 28, 2025 reflect the final allocation of the purchase consideration in connection with the SunPower Acquisition. The gross carrying amounts as of December 29, 2024 were provisional amounts.

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