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Pension Benefits and Postretirement Benefits Other Than Pensions
 3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Pension Benefits and Postretirement Benefits Other Than Pensions Pension Benefits and Postretirement Benefits Other Than Pensions
The Company sponsors a qualified defined benefit pension plan (the “Pension Plan”) that covers approximately 8,650 participants and beneficiaries, of which 1,250 are active employees. Effective January 1, 2006 the Pension Plan was closed to
new hires, and effective June 30, 2016, benefit accruals were frozen for substantially all of the participants under the Pension Plan. The components of Pension Income for the Pension Plan for the three months ended March 31, 2020 and 2019 were:
 
 
Three Months Ended
(Dollars in Millions)
 
Mar 31,
2020
 
Mar 31,
2019
Interest Cost on Projected Benefit Obligation
 
$
4.5

 
$
5.5

Expected Return on Plan Assets
 
(7.3
)
 
(7.6
)
Amortization of Net Actuarial Loss
 
1.5

 
0.7

Total Pension Benefit Recognized
 
$
(1.3
)
 
$
(1.4
)

The Company sponsors two other than pension postretirement benefit (“OPEB”) plans (together the “OPEB Plans”) that together provide medical, dental and/or life insurance benefits to approximately 650 retired and 520 active employees.
The components of OPEB benefits for the OPEB Plans for the three months ended March 31, 2020 and 2019 were:
 
 
Three Months Ended
(Dollars in Millions)
 
Mar 31,
2020
 
Mar 31,
2019
Service Cost
 
$
0.1

 
$
0.1

Interest Cost on Accumulated Postretirement Benefit Obligation
 
0.1

 
0.1

Amortization of Prior Service Credit
 
(0.3
)
 
(0.3
)
Amortization of Net Gain
 
(0.5
)
 
(0.5
)
Total OPEB Benefit Recognized
 
$
(0.6
)
 
$
(0.6
)

The non-service cost component of the Pension Plan and OPEB Plans are presented within the Interest and Other Expenses line item in the Condensed Consolidated Statement of Income.