v3.26.1
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Risk (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 01, 2026
Jun. 25, 2025
Jul. 01, 2026
USD ($)
Jun. 25, 2025
Dec. 31, 2025
item
Supplier Concentration Risk | Supplier One | Accounts Payable          
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Number Of Suppliers     1   1
Percentage of concentration         10.90%
Supplier Concentration Risk | Supplier One | Purchased          
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Percentage of concentration 38.70% 23.80% 40.50% 16.00%  
Geographic Concentration Risk | Revenue          
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Percentage of concentration 100.00% 100.00% 100.00% 100.00%  
Greater Los Angeles area market | Geographic Concentration Risk | Revenue          
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Percentage of concentration 80.20% 80.80% 80.30% 80.70%  
Greater Los Angeles area market | Geographic Concentration Risk | Customer One | Revenue          
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Percentage of concentration 71.40% 71.70% 71.60% 71.70%