v3.26.1
Business Combinations - Schedule of Provisional Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Mar. 29, 2026
Dec. 28, 2025
Sep. 24, 2025
Dec. 29, 2024
SunPower Businesses Acquisition [Member]        
Net assets acquired:        
Cash and cash equivalents   $ 1,000    
Accounts receivable   16,614    
Contract assets      
Inventories   48,388    
Prepaid expenses and other current assets   2,219    
Property and equipment, net   5,867    
Operating lease right-of-use assets   2,506    
Other noncurrent assets   541    
Intangibles   15,894    
Deferred revenue   (7,361)    
Accounts payable   (5,270)    
Accrued expenses and other current liabilities   (13,955)    
Operating lease liabilities, noncurrent   (2,963)    
Other long-term liabilities   (8,980)    
Fair value of net assets acquired   54,500    
Goodwill recognized      
Consideration transferred   54,500    
Total   15,894    
SunPower Businesses Acquisition [Member] | Trademark – Blue Raven Solar [Member]        
Net assets acquired:        
Total   $ 7,094    
Total   10 years    
SunPower Businesses Acquisition [Member] | Trademark - SunPower [Member]        
Net assets acquired:        
Total   $ 4,300    
Total   10 years    
SunPower Businesses Acquisition [Member] | Developed technology - Sunder [Member]        
Net assets acquired:        
Total   $ 4,500    
Total   3 years    
Sunder Energy LLC Acquisition [Member]        
Net assets acquired:        
Consideration transferred $ 57,789      
Sunder Energy LLC Acquisition [Member] | Developed technology - Sunder [Member]        
Net assets acquired:        
Total   2 years    
Sunder Energy LLC Acquisition [Member] | Customer relationships (Backlog) [Member]        
Net assets acquired:        
Total   10 years    
Sunder Energy LLC Acquisition [Member] | Trademark - Sunder [Member]        
Net assets acquired:        
Total   10 years    
Ambia Energy LLC Acquisition [Member]        
Net assets acquired:        
Consideration transferred $ 33,372      
Total   $ 4,300    
Ambia Energy LLC Acquisition [Member] | Customer relationships (Backlog) [Member]        
Net assets acquired:        
Total   3,400    
Ambia Energy LLC Acquisition [Member] | Trademarks - Ambia [Member]        
Net assets acquired:        
Total   900    
Provisional fair values [Member] | SunPower Businesses Acquisition [Member]        
Net assets acquired:        
Cash and cash equivalents       $ 1,000
Accounts receivable       11,999
Contract assets       4,615
Inventories       27,706
Prepaid expenses and other current assets       2,219
Property and equipment, net       5,867
Operating lease right-of-use assets       2,506
Other noncurrent assets       541
Intangibles       18,100
Deferred revenue       (7,361)
Accounts payable       (5,270)
Accrued expenses and other current liabilities       (13,955)
Operating lease liabilities, noncurrent       (2,963)
Other long-term liabilities       (8,980)
Fair value of net assets acquired       36,024
Goodwill recognized       18,476
Consideration transferred       54,500
Total       18,100
Provisional fair values [Member] | SunPower Businesses Acquisition [Member] | Trademark – Blue Raven Solar [Member]        
Net assets acquired:        
Total       8,400
Provisional fair values [Member] | SunPower Businesses Acquisition [Member] | Trademark - SunPower [Member]        
Net assets acquired:        
Total       5,200
Provisional fair values [Member] | SunPower Businesses Acquisition [Member] | Developed technology - Sunder [Member]        
Net assets acquired:        
Total       $ 4,500
Provisional fair values [Member] | Sunder Energy LLC Acquisition [Member]        
Net assets acquired:        
Accounts receivable   797 $ 257  
Prepaid expenses and other current assets   3,039 387  
Property and equipment, net   241 241  
Operating lease right-of-use assets   313 313  
Other noncurrent assets   135 552  
Intangibles   37,500 25,922  
Contract liabilities   (11,673) (11,073)  
Accounts payable   (203) (184)  
Accrued expenses and other current liabilities   (3,850) (1,322)  
Operating lease liabilities, noncurrent   (332) (215)  
Fair value of net assets acquired   25,967 14,878  
Goodwill recognized   31,822 42,911  
Consideration transferred   57,789 57,789  
Total   37,500 25,922  
Provisional fair values [Member] | Sunder Energy LLC Acquisition [Member] | Developed technology - Sunder [Member]        
Net assets acquired:        
Total   800 14,216  
Provisional fair values [Member] | Sunder Energy LLC Acquisition [Member] | Customer relationships (Backlog) [Member]        
Net assets acquired:        
Total   30,600 9,279  
Provisional fair values [Member] | Sunder Energy LLC Acquisition [Member] | Trademark - Sunder [Member]        
Net assets acquired:        
Total   6,100 $ 2,427  
Provisional fair values [Member] | Ambia Energy LLC Acquisition [Member]        
Net assets acquired:        
Cash and cash equivalents   1,350    
Accounts receivable   1,368    
Contract assets - unbilled receivables   1,143    
Prepaid expenses and other current assets   797    
Property and equipment, net   2,230    
Intangible assets   4,300    
Operating lease right-of-use assets   2,563    
Other noncurrent assets   182    
Contract liabilities   (1,675)    
Accounts payable   (2,806)    
Accrued expenses and other current liabilities   (2,917)    
Operating lease liabilities, noncurrent   (2,702)    
Finance lease liabilities   (1,269)    
Fair value of net assets acquired   2,564    
Fair value of common stock issued (classified within Additional paid-in-capital)   16,493    
Goodwill recognized   30,808    
Consideration transferred   33,372    
Fair value of Deferred Ambia Consideration Shares (Accrued expenses and other current liabilities)   16,879    
Measurement period adjustments [Member] | SunPower Businesses Acquisition [Member]        
Net assets acquired:        
Cash and cash equivalents      
Accounts receivable   4,615    
Contract assets   (4,615)    
Inventories   20,682    
Prepaid expenses and other current assets      
Property and equipment, net      
Operating lease right-of-use assets      
Other noncurrent assets      
Intangibles   (2,206)    
Deferred revenue      
Accounts payable      
Accrued expenses and other current liabilities      
Operating lease liabilities, noncurrent      
Other long-term liabilities      
Fair value of net assets acquired   18,476    
Goodwill recognized   (18,476)    
Consideration transferred      
Total   (2,206)    
Measurement period adjustments [Member] | SunPower Businesses Acquisition [Member] | Trademark – Blue Raven Solar [Member]        
Net assets acquired:        
Total   (1,306)    
Measurement period adjustments [Member] | SunPower Businesses Acquisition [Member] | Trademark - SunPower [Member]        
Net assets acquired:        
Total   (900)    
Measurement period adjustments [Member] | SunPower Businesses Acquisition [Member] | Developed technology - Sunder [Member]        
Net assets acquired:        
Total      
Measurement period adjustments [Member] | Sunder Energy LLC Acquisition [Member]        
Net assets acquired:        
Accounts receivable   540    
Prepaid expenses and other current assets   2,652    
Property and equipment, net      
Operating lease right-of-use assets      
Other noncurrent assets   (417)    
Intangibles   11,578    
Contract liabilities   (600)    
Accounts payable   (19)    
Accrued expenses and other current liabilities   (2,528)    
Operating lease liabilities, noncurrent   (117)    
Fair value of net assets acquired   11,089    
Goodwill recognized   (11,089)    
Consideration transferred      
Total   11,578    
Measurement period adjustments [Member] | Sunder Energy LLC Acquisition [Member] | Developed technology - Sunder [Member]        
Net assets acquired:        
Total   (13,416)    
Measurement period adjustments [Member] | Sunder Energy LLC Acquisition [Member] | Customer relationships (Backlog) [Member]        
Net assets acquired:        
Total   21,321    
Measurement period adjustments [Member] | Sunder Energy LLC Acquisition [Member] | Trademark - Sunder [Member]        
Net assets acquired:        
Total   $ 3,673    
Measurement period adjustments [Member] | Ambia Energy LLC Acquisition [Member] | Customer relationships (Backlog) [Member]        
Net assets acquired:        
Total [1]   1 year    
Measurement period adjustments [Member] | Ambia Energy LLC Acquisition [Member] | Trademarks - Ambia [Member]        
Net assets acquired:        
Total   1 year    
[1] Useful life is based upon customer consumption, expected to occur within one year.