v3.26.1
RESTRICTED CASH AND INVESTMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Dec. 28, 2025
Restricted Cash and Investments [Line Items]      
Cash collateral held by insurance carriers $ 7,708   $ 7,681
Cash and cash equivalents held in Trust 11,684   11,424
Investments held in Trust 64,616   70,601
Company owned life insurance policies 44,432   46,477
Other restricted cash and cash equivalents 789   405
Restricted cash and investments 129,229   136,588
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]      
Amortized cost of held-to-maturity investments 64,616   70,601
Gross unrealized gains 265   579
Gross unrealized losses (152)   (164)
Fair value 64,729   71,016
Held-to-maturity securities, amortized cost [Abstract]      
Amortized cost of held-to-maturity investments 64,616   70,601
Held-to-maturity securities, fair value [Abstract]      
Fair value 64,729   71,016
Unrealized gains (losses) on Investments (2,045) $ (1,405)  
Municipal debt securities      
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]      
Amortized cost of held-to-maturity investments 5,799   7,840
Gross unrealized gains 0   1
Gross unrealized losses (2)   (5)
Fair value 5,797   7,836
Held-to-maturity securities, amortized cost [Abstract]      
Amortized cost of held-to-maturity investments 5,799   7,840
Held-to-maturity securities, fair value [Abstract]      
Fair value 5,797   7,836
Corporate debt securities      
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]      
Amortized cost of held-to-maturity investments 42,527   49,967
Gross unrealized gains 235   519
Gross unrealized losses (104)   (152)
Fair value 42,658   50,334
Held-to-maturity securities, amortized cost [Abstract]      
Amortized cost of held-to-maturity investments 42,527   49,967
Held-to-maturity securities, fair value [Abstract]      
Fair value 42,658   50,334
Agency mortgage-backed securities      
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]      
Amortized cost of held-to-maturity investments 4,564   4,815
Gross unrealized gains 30   58
Gross unrealized losses 0   0
Fair value 4,594   4,873
Held-to-maturity securities, amortized cost [Abstract]      
Amortized cost of held-to-maturity investments 4,564   4,815
Held-to-maturity securities, fair value [Abstract]      
Fair value 4,594   4,873
U.S. government and agency securities      
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]      
Amortized cost of held-to-maturity investments 11,726   7,979
Gross unrealized gains 0   1
Gross unrealized losses (46)   (7)
Fair value 11,680   7,973
Held-to-maturity securities, amortized cost [Abstract]      
Amortized cost of held-to-maturity investments 11,726   7,979
Held-to-maturity securities, fair value [Abstract]      
Fair value 11,680   $ 7,973
Restricted cash and investments      
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]      
Amortized cost of held-to-maturity investments 64,616    
Fair value 64,729    
Held-to-maturity securities, amortized cost [Abstract]      
Due in one year or less 36,587    
Due after one year through five years 28,029    
Amortized cost of held-to-maturity investments 64,616    
Held-to-maturity securities, fair value [Abstract]      
Due in one year or less 36,545    
Due after one year through five years 28,184    
Fair value $ 64,729