v3.26.1
Intangible Assets, Net and Goodwill - Schedule of Goodwill Activity (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]      
Balance $ 62,630 $ 18,476
Goodwill acquired in business combinations   62,630 18,476
Accumulated impairment losses
Balance as of December 29, 2024      
Goodwill 75,607 62,630 18,476
Total 75,607 62,630 18,476
Measurement period adjustments   (18,476)  
Residential Solar Installation [Member]      
Schedule of Goodwill Activity [Line Items]      
Balance 30,808 18,276
Goodwill acquired in business combinations   30,808 18,276
Accumulated impairment losses
Balance as of December 29, 2024      
Goodwill 30,808 30,808 18,276
Total 30,808 30,808 18,276
Measurement period adjustments   (18,276)  
New Homes [Member]      
Schedule of Goodwill Activity [Line Items]      
Balance 200
Goodwill acquired in business combinations   200
Accumulated impairment losses
Balance as of December 29, 2024      
Goodwill 12,977 200
Total 12,977 200
Measurement period adjustments   (200)  
Dealer [Member]      
Schedule of Goodwill Activity [Line Items]      
Balance 31,822
Goodwill acquired in business combinations   31,822
Accumulated impairment losses
Balance as of December 29, 2024      
Goodwill 31,822 31,822
Total $ 31,822 31,822
Measurement period adjustments