v3.26.1
Significant Accounting Policies - Concentration of Credit Risks (Details) - Customer concentration risk - customer
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Dec. 28, 2025
Accounts receivable          
Concentration Risk          
Number of customers 1   1   2
Accounts receivable | Major customer one          
Concentration Risk          
Concentration risk percentage     12.00%   15.00%
Accounts receivable | Major customer two          
Concentration Risk          
Concentration risk percentage         37.00%
Revenue | Maximum          
Concentration Risk          
Number of customers 0 0 0 0  
Concentration risk percentage 10.00% 10.00% 10.00% 10.00%