v3.26.1
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