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Note 7 - Pension and Other Postretirement Benefits
 6 Months Ended
Jun. 30, 2019
Notes to Financial Statements  
Pension and Other Postretirement Benefits Disclosure [Text Block]
NOTE
7
- PENSION AND OTHER POSTRETIREMENT BENEFITS
 
The Company sponsors a defined benefit pension plan (“Plan”) covering certain domestic employees. Benefits are based on each covered employee’s years of service and compensation. The Plan is funded in conformity with the funding requirements of applicable U.S. regulations. The Plan was closed to new participants effective
January 
1,
2008.
Employees hired after this date, in eligible locations, participate in an enhanced
401
(k) plan instead of the defined benefit pension plan. Employees hired prior to this date continue to accrue benefits.
Additionally, the Company sponsors defined contribution pension plans made available to all domestic and Canadian employees. The Company funds the cost of these benefits as incurred.
 
The Company also sponsors a non-contributory defined benefit postretirement health care plan that provides health benefits to certain domestic and Canadian retirees and eligible spouses and dependent children. The Company funds the cost of these benefits as incurred.
 
The following tables present the components of net periodic benefit costs:
 
   
Pension Benefits
    
Postretirement Benefits
  
   
Three Months Ended
June 30,
    
Three Months Ended
June 30,
  
   
201
9
    
201
8
    
201
9
    
201
8
  
Service cost
   $
535
     $
602
     $
270
     $
194
  
Interest cost
    
581
      
632
      
236
      
141
  
Expected return on plan assets
    
(836
)
    
(1,103
)
    
-
      
-
  
Amortization of prior service cost
    
-
      
-
      
(282
 )    
(282
)
Recognized actuarial loss (gain)
    
472
      
421
      
7
      
(104
)
Settlement loss
    
-
      
2,229
      
-
      
-
  
Net periodic benefit cost (a)
   $
752
     $
2,781
     $
231
 
   $
(51
)
 
   
Pension Benefits
    
Postretirement Benefits
  
   
Six Months Ended
June 30,
    
Six Months Ended
June 30,
  
   
2019
    
2018
    
2019
    
2018
  
Service cost
   $
1,102
     $
1,295
     $
541
     $
388
  
Interest cost
    
1,227
      
1,238
      
471
      
282
  
Expected return on plan assets
    
(1,781
)
    
(2,307
)
    
-
      
-
  
Amortization of prior service cost
    
-
      
-
      
(564
)
    
(565
)
Recognized actuarial loss (gain)
    
863
      
818
      
14
      
(207
)
Settlement loss
    
-
      
2,616
      
-
      
-
  
Net periodic benefit cost (a)
   $
1,411
     $
3,660
     $
462
     $
(102
)
 
(a)
The components of net periodic benefit cost other than the service cost component are included in Other income (expense), net in the Consolidated Statements of Income.