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Fair Value Measurements (Tables)
 6 Months Ended
Jul. 02, 2022
Fair Value Measurements [Abstract]  
Fair Value of Assets and Liabilities Carried at Fair Value Measured on Recurring Basis
The following table provides the financial assets and liabilities carried at fair value measured on a recurring basis:

 
Total
Fair Value
    
Level 1
    
Level 2
    
Level 3
  
July 2, 2022
                        
Assets:
                        
Assets held in rabbi trusts
  
$
48,144
    
$
25,369
    
$
22,775
    
$
-
  
Available for sale securities
  
$
3,673
      
3,673
      
-
      
-
  
Precious metals
   $
4,421       4,421       -       -  
   
$
56,238
    
$
33,463
    
$
22,775
    
$
-
  
December 31, 2021
                                
Assets:
                                
Assets held in rabbi trusts
  
$
59,687
    
$
32,713
      
26,974
    
$
-
  
Available for sale securities
  
$
4,455
      
4,455
      
-
      
-
  
   
$
64,142
    
$
37,168
    
$
26,974
    
$
-