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Employee Retirement Plans and Post-Retirement Medical Benefits (Tables)
 12 Months Ended
Dec. 31, 2022
Retirement Benefits [Abstract]  
Funded Status of Retiree Medical Plan

The funded status of the Retiree Medical Plan is as follows:

 

 

 

 

Retiree Medical Plan

 

 

 

 

December 31,
2022

 

 

December 25,
2021

 

 

 

 

 

Benefit obligation at end of period

 

 

$

757

 

 

$

1,040

 

Unfunded Status

 

 

$

757

 

 

$

1,040