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Goodwill and Other Intangible Assets, Net - Schedule of Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 29, 2026 | Dec. 28, 2025 | Dec. 29, 2024
Schedule of Goodwill Activity [Line Items] |  |  |
Goodwill | $ 75,607 | $ 62,630 | $ 18,476
Accumulated impairment losses |  |  |
Total | 75,607 | 62,630 | 18,476
Measurement period adjustments |  |  |
Tax effect of Cobalt acquisition |  | 12,977 |
Residential Solar Installation [Member] |  |  |
Schedule of Goodwill Activity [Line Items] |  |  |
Goodwill | 30,808 | 30,808 | 18,276
Accumulated impairment losses |  |  |
Total | 30,808 | 30,808 | 18,276
Measurement period adjustments |  |  |
Tax effect of Cobalt acquisition |  |  |
New Homes [Member] |  |  |
Schedule of Goodwill Activity [Line Items] |  |  |
Goodwill | 12,977 |  | 200
Accumulated impairment losses |  |  |
Total | 12,977 |  | 200
Measurement period adjustments |  |  |
Tax effect of Cobalt acquisition |  | 12,977 |
Dealer [Member] |  |  |
Schedule of Goodwill Activity [Line Items] |  |  |
Goodwill | 31,822 | 31,822 |
Accumulated impairment losses |  |  |
Total | $ 31,822 | 31,822 |
Measurement period adjustments |  |  |
Tax effect of Cobalt acquisition |  |  |

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