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Earnings Per Share
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share
The following table sets forth the computation of basic and diluted net income per common share (dollars and shares in millions, except per share amounts):
 
Three Months Ended March 31,
 
2015

2014
 
Net Income

Weighted-Average
Shares
Outstanding

Net Income Per Common Share

Net Income

Weighted-Average
Shares
Outstanding

Net Income Per Common Share
Basic EPS
$
5.5


23.2


$
0.24


$
2.4


23.0


$
0.11

Effect of dilutive common share equivalents:











Restricted stock units


0.1


—




0.2


(0.01
)
Diluted EPS
$
5.5


23.3


$
0.24


$
2.4


23.2


$
0.10

___________________________________________
Note: Basic and diluted earnings per share are calculated based on unrounded actual amounts.
The number of unvested common shares that were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive were 105,165 for the three months ended March 31, 2015 and none for the same period in 2014.