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Earnings (Loss) Per Share (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Basic and Diluted EPS
The following table presents the calculation of basic and diluted EPS:
 
2014
 
2013
 
2012
Net income from continuing operations
$
419.8

 
$
375.8

 
$
317.3

Loss from discontinued operations, net of income taxes
(1.1
)
 
(0.9
)
 
(0.9
)
Net income
$
418.7

 
$
374.9

 
$
316.4

 
 
 
 
 
 
Weighted average common shares outstanding used in calculating basic EPS
117.3

 
121.3

 
123.8

Effect of dilutive stock options
1.6

 
2.0

 
2.0

Weighted average common shares outstanding used in calculating diluted EPS
118.9

 
123.3

 
125.8

 
 
 
 
 
 
Basic EPS amounts:
 
 
 
 
 
Continuing operations
$
3.58

 
$
3.10

 
$
2.56

Discontinued operations
$
(0.01
)
 
$
(0.01
)
 
$
(0.01
)
Net income
$
3.57

 
$
3.09

 
$
2.56

 
 
 
 
 
 
Diluted EPS amounts:
 
 
 
 
 
Continuing operations
$
3.53

 
$
3.05

 
$
2.52

Discontinued operations
$
(0.01
)
 
$
(0.01
)
 
$
(0.01
)
Net income
$
3.52

 
$
3.04

 
$
2.52
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:
 
2014
 
2013
 
2012
Anti-dilutive options excluded from the computation of diluted earnings per share
0.6

 
0.6

 
0.9