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COMPONENTS OF PENSION AND OTHER POST-EMPLOYMENT BENEFIT (OPEB) PLANS NET PERIODIC BENEFIT COSTS
 3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
COMPONENTS OF PENSION AND OTHER POST-EMPLOYMENT BENEFIT (OPEB) PLANS NET PERIODIC BENEFIT COSTS COMPONENTS OF PENSION AND OTHER POST-EMPLOYMENT BENEFIT (OPEB) PLANS NET PERIODIC BENEFIT COSTS:

The components of Net Periodic Benefit (Credit) Cost are as follows:
 
Pension Benefits
 
Other Post-Employment Benefits
 
Three Months Ended
March 31,
 
Three Months Ended
March 31,
 
2020
 
2019
 
2020
 
2019
Service Cost
$
296

 
$
987

 
$
—

 
$
—

Interest Cost
5,044

 
6,275

 
3,199

 
4,580

Expected Return on Plan Assets
(10,455
)
 
(10,114
)
 
—

 
—

Amortization of Prior Service Credits
—

 
(92
)
 
(601
)
 
(601
)
Amortization of Actuarial Loss
1,730

 
1,490

 
2,319

 
2,315

Net Periodic Benefit (Credit) Cost
$
(3,385
)
 
$
(1,454
)
 
$
4,917

 
$
6,294



(Credits) expenses related to pension and other post-employment benefits are reflected in Operating and Other Costs in the Consolidated Statements of Income.