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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Basic and Diluted EPS
The following table presents the calculation of basic and diluted EPS:
 
Three Months Ended
 
March 31,
 
2014
 
2013
Net income from continuing operations
$
95.5

 
$
83.2

Loss from discontinued operations, net of income taxes
(0.4
)
 
(0.2
)
Net income
$
95.1

 
$
83.0

 
 
 
 
Weighted average common shares outstanding used in calculating basic EPS
119.5

 
121.0

Effect of dilutive stock options
1.8

 
2.0

Weighted average common shares outstanding used in calculating diluted EPS
121.3

 
123.0

 
 
 
 
Basic EPS amounts:
 
 
 
Continuing operations
$
0.80

 
$
0.69

Discontinued operations
$
—

 
$
—

Net income
$
0.80

 
$
0.69

 
 
 
 
Diluted EPS amounts:
 
 
 
Continuing operations
$
0.79

 
$
0.68

Discontinued operations
$
—

 
$
—

Net income
$
0.78

 
$
0.67
Anti-Dilutive Options Excluded From The Computation Of Diluted Earnings Per Share

A summary of anti-dilutive options excluded from the computation of diluted earnings per share is as follows:
 
Three Months Ended
 
March 31,
 
2014
 
2013
Anti-dilutive options excluded from the computation of diluted earnings per share
0.4

 
0.6