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Defined Benefit Post-Retirement Plans (Tables)
9 Months Ended
Sep. 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
September 30,
   
Three Months Ended
September 30,
 
(In thousands)
 
2020
   
2019
   
2020
   
2019
 
Components of net periodic (benefit) cost:
                       
Service cost
 
$
446
   
$
431
   
$
2
   
$
1
 
Interest cost
   
809
     
986
     
55
     
67
 
Expected return on plan assets
   
(2,105
)
   
(1,869
)
   
-
     
-
 
Net amortization
   
368
     
658
     
13
     
14
 
Total net periodic (benefit) cost
 
$
(482
)
 
$
206
   
$
70
   
$
82
 

 
Pension Benefits
   
Other Benefits
 
   
Nine Months Ended
September 30,
   
Nine Months Ended
September 30,
 
(In thousands)
 
2020
   
2019
   
2020
   
2019
 
Components of net periodic (benefit) cost:
                       
Service cost
 
$
1,338
   
$
1,301
   
$
6
   
$
5
 
Interest cost
   
2,427
     
2,948
     
165
     
229
 
Expected return on plan assets
   
(6,315
)
   
(5,615
)
   
-
     
-
 
Net amortization
   
1,104
     
1,936
     
39
     
49
 
Total net periodic (benefit) cost
 
$
(1,446
)
 
$
570
   
$
210
   
$
283