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Note G - Pension and Other Postretirement Benefit Plans (Tables)
 3 Months Ended
Sep. 27, 2019
Notes Tables  
Schedule of Net Funded Status [Table Text Block]
   
For the Quarter Ended
  
   
September 27, 2019
    
September 28, 2018
  
Pension Benefits:
                
Service cost
   $
212
     $
246
  
Interest cost
    
906
      
1,092
  
Expected return on plan assets
    
(1,248
 )    
(1,331
 )
Amortization of transition obligation
    
9
      
9
  
Amortization of prior service cost
    
(4
 )    
1
  
Amortization of actuarial net loss
    
784
      
678
  
Net periodic benefit cost
   $
659
     $
695
  
                 
Postretirement Benefits:
                
Service cost
   $
4
     $
5
  
Interest cost
    
55
      
76
  
Amortization of prior service cost
    
(69
 )    
-
  
Amortization of actuarial net loss
    
-
      
(69
 )
Net periodic benefit (gain) cost
   $
(10
 )   $
12