v3.26.3
STOCK-BASED COMPENSATION - Narrative - Equity-Classified Awards - Prior to IPO and Reorganization (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 27, 2025
USD ($)
Sep. 27, 2025
USD ($)
Sep. 26, 2026
class
Dec. 31, 2025
class
Dec. 17, 2025
class
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Number of classes     3   3
Class B Units          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Award vesting period   5 years      
Award vesting rights, percentage   20.00%      
Vested in period, fair value | $ $ 3 $ 16      
Stock-based Compensation          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Number of classes       2