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Intangible Assets, Net and Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Nov. 21, 2025	Sep. 25, 2025	Dec. 31, 2023
Intangible Assets, Net and Goodwill [Line Items]
Provisional goodwill	$ 62,630	$ 18,476
Aggregate amortization expense for intangible assets	6,200	$ 700
Dealer reportable segments [Member]
Intangible Assets, Net and Goodwill [Line Items]
Provisional goodwill				$ 31,800
Residential Solar Installation reportable segment [Member]
Intangible Assets, Net and Goodwill [Line Items]
Provisional goodwill			$ 30,800
SunPower Businesses [Member]
Intangible Assets, Net and Goodwill [Line Items]
Aggregate amortization expense for intangible assets	1,400
Residential Solar Installation reportable segment [Member]
Intangible Assets, Net and Goodwill [Line Items]
Provisional goodwill	18,300
New Homes Businesses reportable segment [Member]
Intangible Assets, Net and Goodwill [Line Items]
Provisional goodwill	$ 200

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