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Employee Benefit Plans (Defined Contribution Plans) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2023
Jun. 25, 2022
Jul. 01, 2023
Jun. 25, 2022
Non-Collective-Bargaining Plan        
Defined Contribution Plans [Line Items]        
Percentage of employees covered     98.00%  
Employer matching contribution, percentage     1.00%  
Employer matching contribution, discretionary percentage     2.00%  
Maximum annual contribution per employee, percentage     3.00%  
Cost recognized $ 86   $ 174 $ 95
Reversal of cost recognized   $ (128)    
Collective-Bargaining Plan        
Defined Contribution Plans [Line Items]        
Percentage of employees covered     2.00%  
Maximum annual contribution per employee, percentage     2.75%  
Cost recognized $ 1 $ 21 $ 5 $ 45