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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Computation of basic and diluted net earnings per share
The following table sets forth the computation of basic and diluted net earnings per share (dollars and shares in millions, except per share amounts):
 
Three Months Ended March 31,
 
2014
 
2013
 
Net Income
 
Weighted-Average
Shares
Outstanding
 
Net Income Per Common Share
 
Net Income
 
Weighted-Average
Shares
Outstanding
 
Net Income Per Common Share
Basic EPS
$
2.4

 
11.5

 
$
0.21

 
$
2.6

 
11.5

 
$
0.22

Effect of dilutive common share equivalents:
 
 
 
 
 
 
 
 
 
 
 
Restricted stock units
 
 
0.1

 
(0.01
)
 
 
 

 

Stock options
 
 

 

 
 
 
0.1

 

Diluted EPS
$
2.4

 
11.6

 
$
0.20

 
$
2.6

 
11.6

 
$
0.22

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Note: Basic and diluted earnings per share are calculated based on unrounded actual amounts.