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Earnings Per Share (EPS)
 3 Months Ended
Mar. 31, 2014
Earnings (Loss) per Share (EPS) [Abstract]  
Earnings Per Share [Text Block]
9. EARNINGS PER SHARE (EPS)

 The following table sets forth the computation of our basic and diluted EPS:
 
 
 
Three Months Ended
 
 
March 31,
 
 
2014
 
2013
 
 
(in millions, except per share data)
Numerator
 
 
 
 
Net Income
 
$
33.6

 
$
7.3

 
 
 

 
 

Denominator
 
 

 
 

Basic shares outstanding -
 
 

 
 

   Weighted-average shares outstanding
 
77.0

 
76.2

 
 
 

 
 

Effect of dilutive securities
 
 

 
 

   Dilutive stock-based compensation
 
0.1

 
—

 
 
 

 
 

Diluted shares outstanding -
 
 

 
 

   Adjusted weighted-average shares after assumed conversions
 
77.1

 
76.2

 
 
 

 
 

Basic EPS
 
$
0.44

 
$
0.10

 
 
 

 
 

Diluted EPS
 
$
0.44

 
$
0.10


 
Certain exercisable stock options were excluded in the computations of diluted EPS because the exercise price of these options was greater than the average period market prices. The number of stock options outstanding, which were not included in the calculation of diluted EPS, was 1.1 million at March 31, 2014 and 2.3 million at March 31, 2013. The ranges of exercise prices related to the excluded exercisable stock options were $19.54 - $40.83 at March 31, 2014 and $15.58 - $40.83 at March 31, 2013.