XML 55 R37.htm IDEA: XBRL DOCUMENT v3.22.4
RESTRICTED CASH AND INVESTMENTS (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 25, 2022
Dec. 26, 2021
Dec. 27, 2020
Restricted Cash and Investments [Line Items]      
Cash collateral held by insurance carriers $ 29,567 $ 28,957  
Cash and cash equivalents held in Trust 30,857 21,590  
Investments held in Trust 123,678 135,419  
Company-owned life insurance policies 26,479 32,318  
Other restricted cash and cash equivalents 3,153 2,742  
Total restricted cash and investments 213,734 221,026  
Amortized cost 123,678 135,419  
Gross unrealized gain 6 3,228  
Gross unrealized losses (4,159) (563)  
Fair value 119,525 138,084  
Amortized cost      
Total held-to-maturity investments 123,678 135,419  
Fair value      
Total held-to-maturity investments 119,525 138,084  
Unrealized gains (losses) (5,841) 1,061 $ 723
Municipal debt securities      
Restricted Cash and Investments [Line Items]      
Amortized cost 42,892 56,346  
Gross unrealized gain 2 2,159  
Gross unrealized losses (463) 0  
Fair value 42,431 58,505  
Amortized cost      
Total held-to-maturity investments 42,892 56,346  
Fair value      
Total held-to-maturity investments 42,431 58,505  
Corporate debt securities      
Restricted Cash and Investments [Line Items]      
Amortized cost 79,736 77,925  
Gross unrealized gain 4 995  
Gross unrealized losses (3,643) (563)  
Fair value 76,097 78,357  
Amortized cost      
Total held-to-maturity investments 79,736 77,925  
Fair value      
Total held-to-maturity investments 76,097 78,357  
Agency mortgage-backed securities      
Restricted Cash and Investments [Line Items]      
Amortized cost 50 148  
Gross unrealized gain 0 4  
Gross unrealized losses (2) 0  
Fair value 48 152  
Amortized cost      
Total held-to-maturity investments 50 148  
Fair value      
Total held-to-maturity investments 48 152  
U.S. government and agency securities      
Restricted Cash and Investments [Line Items]      
Amortized cost 1,000 1,000  
Gross unrealized gain 0 70  
Gross unrealized losses (51) 0  
Fair value 949 1,070  
Amortized cost      
Total held-to-maturity investments 1,000 1,000  
Fair value      
Total held-to-maturity investments 949 $ 1,070  
Restricted Cash and Investments      
Restricted Cash and Investments [Line Items]      
Amortized cost 123,678    
Fair value 119,525    
Amortized cost      
Due in one year or less 32,787    
Due after one year through five years 90,891    
Total held-to-maturity investments 123,678    
Fair value      
Due in one year or less 32,524    
Due after one year through five years 87,001    
Total held-to-maturity investments $ 119,525