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Pension Benefits and Postretirement Benefits Other Than Pensions
 3 Months Ended
Mar. 31, 2019
Retirement Benefits [Abstract]  
Pension Benefits and Postretirement Benefits Other Than Pensions Note 10 - Pension Benefits and Postretirement Benefits Other Than Pensions
The Company sponsors a qualified defined benefit pension plan (the “Pension Plan”) that covers approximately 8,800 participants and beneficiaries, of which 1,400 are active employees. The Pension Plan is closed to employees newly-hired after January 1, 2006. On May 12, 2016, the Company amended the Pension Plan to freeze benefit accruals, effective June 30, 2016, for substantially all of the participants under the plan. The components of Pension Income for the Pension Plan for the three months ended March 31, 2019 and 2018 were:
 
 
Three Months Ended
(Dollars in Millions)
 
Mar 31,
2019
 
Mar 31,
2018
Service Cost
 
$
—

 
$
—

Interest Cost on Projected Benefit Obligation
 
5.5

 
5.1

Expected Return on Plan Assets
 
(7.6
)
 
(7.2
)
Amortization of Net Actuarial Loss
 
0.7

 
1.0

Total Pension Benefit Recognized
 
(1.4
)
 
(1.1
)

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 700 retired and 600 active employees. The components of OPEB benefits for the OPEB Plans for the three months ended March 31, 2019 and 2018 were:
 
 
Three Months Ended
(Dollars in Millions)
 
Mar 31,
2019
 
Mar 31,
2018
Service Cost
 
$
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
)
 
(0.4
)
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.