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Earnings (Loss) Per Share (Tables)
 12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Earnings Per Share
The following table presents the calculation of basic and diluted EPS:
 
2013
 
2012
 
2011
Net income from continuing operations
$
375.8

 
$
317.3

 
$
284.2

Loss from discontinued operations, net of income taxes
(0.9
)
 
(0.9
)
 
(2.8
)
Net income
$
374.9

 
$
316.4

 
$
281.4

 
 
 
 
 
 
Weighted average common shares outstanding used in calculating basic EPS
121.3

 
123.8

 
144.8

Effect of dilutive stock options
2.0

 
2.0

 
2.5

Weighted average common shares used in calculating diluted EPS
123.3

 
125.8

 
147.3

 
 
 
 
 
 
Basic EPS amounts:
 
 
 
 
 
Continuing operations
$
3.10

 
$
2.56

 
$
1.96

Discontinued operations
$
(0.01
)
 
$
(0.01
)
 
$
(0.02
)
Net income
$
3.09

 
$
2.56

 
$
1.94

 
 
 
 
 
 
Diluted EPS amounts:
 
 
 
 
 
Continuing operations
$
3.05

 
$
2.52

 
$
1.93

Discontinued operations
$
(0.01
)
 
$
(0.01
)
 
$
(0.02
)
Net income
$
3.04

 
$
2.52

 
$
1.91
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:
 
2013
 
2012
 
2011
Anti-dilutive options excluded from the computation of diluted earnings per share
0.6

 
0.9

 
0.4