v3.26.3
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2026
USD ($)
Sep. 26, 2025
USD ($)
Oct. 02, 2026
USD ($)
operatingSegment
Sep. 26, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Schedule of Equity Method Investments [Line Items]            
Number of operating segments | operatingSegment     1      
Joint venture investment balance $ 12,600   $ 12,600   $ 10,800  
Earnings from equity investment 1,300 $ 2,600 4,800 $ 5,500    
Cash, cash equivalents and restricted cash 265,070 $ 182,318 265,070 $ 182,318 368,994 $ 268,321
Restricted cash 4,000   4,000   3,000  
Total capitalized CCA implementation costs $ 24,600   $ 24,600   $ 25,100  
High Desert Support Services, LLC            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage 25.00%   25.00%      
J&J Maintenance            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage 50.00%   50.00%      
Servcore Resources and Services Solutions, LLC            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage 40.00%   40.00%      
Inuksuk A/S            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage 49.00%   49.00%