v3.24.1.1.u2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentation of Credit Risk (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Jan. 01, 2023
Jan. 02, 2022
Total Revenue | Customer Concentration Risk | One Customer      
Concentration [Line Items]      
Concentration risk, percentage   10.00%  
Total Revenue | Customer Concentration Risk | SunPower      
Concentration [Line Items]      
Concentration risk, percentage     10.00%
Accounts Receivable | Customer Concentration Risk | Four Customer      
Concentration [Line Items]      
Concentration risk, percentage 10.00%    
Accounts Receivable | Customer Concentration Risk | Customer Two      
Concentration [Line Items]      
Concentration risk, percentage   10.00%  
Related party      
Concentration [Line Items]      
Revenue $ 206.0 $ 283.3 $ 225.9
Related party | Total Revenue | Customer Concentration Risk      
Concentration [Line Items]      
Concentration risk, percentage 18.30% 26.70% 28.80%
Related party | Accounts Receivable | Customer Concentration Risk | SunPower      
Concentration [Line Items]      
Concentration risk, percentage 0.90% 9.60%