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Note 6 - Components of Net Periodic Cost (Benefit) Related to Pension and Other Postretirement Benefit Plans (Tables)
 3 Months Ended
Mar. 02, 2019
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
   
Three Months Ended March 2, 2019 and March 3, 2018
  
   
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
Other
 
   
Pension Benefits
    
Postretirement
  
   
U.S. Plans
    
Non-U.S. Plans
    
Benefits
  
Net periodic cost (benefit):
  
2019
    
2018
    
2019
    
2018
    
2019
    
2018
  
Service cost
  
$
1
     $
14
    
$
568
     $
598
    
$
24
     $
43
  
Interest cost
  
 
3,673
      
3,419
    
 
1,184
      
1,204
    
 
387
      
371
  
Expected return on assets
  
 
(6,326
)
    
(6,541
 )  
 
(2,587
)
    
(2,864
 )  
 
(1,753
)
    
(1,724
 )
Amortization:
                                                
Prior service cost
  
 
3
      
7
    
 
16
      
(1
 )  
 
-
      
-
  
Actuarial loss
  
 
1,169
      
1,475
    
 
789
      
749
    
 
8
      
15
  
Net periodic benefit
  
$
(1,480
)
   $
(1,626
 )  
$
(30
)
   $
(314
 )  
$
(1,334
)
   $
(1,295
 )