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Pension Benefits and Postretirement Benefits Other Than Pensions
3 Months Ended
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Pension Benefits and Postretirement Benefits Other Than Pensions
Note 9 - Pension Benefits and Postretirement Benefits Other Than Pensions
The components of Pension Expense for the three months ended March 31, 2013 and 2012 were:
 
 
Three Months Ended
(Dollars in Millions)
 
Mar 31,
2013
 
Mar 31,
2012
Service Cost Earned
 
$
2.7

 
$
3.0

Interest Cost on Projected Benefit Obligation
 
5.5

 
5.6

Expected Return on Plan Assets
 
(7.4
)
 
(7.4
)
Amortization of Accumulated Unrecognized Actuarial Loss
 
5.9

 
4.5

Total Pension Expense Recognized
 
$
6.7

 
$
5.7






Note 9 - Pension Benefits and Postretirement Benefits Other Than Pensions (continued)
The components of Postretirement Benefits Other than Pensions Expense for the three months ended March 31, 2013 and 2012 were:
 
 
Three Months Ended
(Dollars in Millions)
 
Mar 31,
2013
 
Mar 31,
2012
Service Cost on Benefits Earned
 
$
0.1

 
$
0.1

Interest Cost on Projected Benefit Obligation
 
0.3

 
0.4

Amortization of Accumulated Unrecognized Actuarial Gain
 
(0.3
)
 
(0.1
)
Total Postretirement Benefits Other than Pensions Expense
 
$
0.1

 
$
0.4