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Defined Benefit Post-Retirement Plans (Tables)
6 Months Ended
Jun. 30, 2020
Defined Benefit Post-Retirement Plans [Abstract]  
Net Periodic Pension Benefits and Other Benefit Costs
The components of expense for Pension Benefits and Other Benefits are set forth below:

 
Pension Benefits
   
Other Benefits
 
   
Three Months Ended
June 30,
   
Three Months Ended
June 30,
 
(In thousands)
 
2020
   
2019
   
2020
   
2019
 
Components of net periodic (benefit) cost:
                       
Service cost
 
$
446
   
$
435
   
$
2
   
$
2
 
Interest cost
   
809
     
981
     
55
     
81
 
Expected return on plan assets
   
(2,105
)
   
(1,873
)
   
-
     
-
 
Net amortization
   
368
     
639
     
13
     
18
 
Total net periodic (benefit) cost
 
$
(482
)
 
$
182
   
$
70
   
$
101
 

 
Pension Benefits
   
Other Benefits
 
   
Six Months Ended
June 30,
   
Six Months Ended
June 30,
 
(In thousands)
 
2020
   
2019
   
2020
   
2019
 
Components of net periodic (benefit) cost:
                       
Service cost
 
$
892
   
$
870
   
$
4
   
$
4
 
Interest cost
   
1,618
     
1,962
     
110
     
162
 
Expected return on plan assets
   
(4,210
)
   
(3,746
)
   
-
     
-
 
Net amortization
   
736
     
1,278
     
26
     
35
 
Total net periodic (benefit) cost
 
$
(964
)
 
$
364
   
$
140
   
$
201