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Earnings Per Share
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings per Share
The calculation of basic and diluted earnings per share is as follows (in millions, except per share data):
 
 
Three Months Ended March 31,
 
 
2016
 
2015
Numerator for basic and diluted earnings per share:
 
 
 
 
Income from continuing operations
 
$
40.3

 
$
56.9

Income (loss) from discontinued operations
 
0.2

 
(2.8
)
Net income
 
$
40.5

 
$
54.1

Dividends and equivalents for share-based awards expected to be forfeited
 
—

 
—

Net income for basic and diluted earnings per share
 
$
40.5

 
$
54.1

Denominator for basic and diluted earnings per share:
 
 
 
 
Weighted-average shares outstanding
 
267.7

 
268.9

Share-based payment awards classified as participating securities
 
1.0

 
1.6

Denominator for basic earnings per share
 
268.7

 
270.5

Dilutive securities (1)
 
1.4

 
2.2

Denominator for diluted earnings per share
 
270.1

 
272.7

Basic earnings per share:
 
 
 
 
Income from continuing operations
 
$
0.15

 
$
0.21

Income (loss) from discontinued operations
 
$
—

 
$
(0.01
)
Net income
 
$
0.15

 
$
0.20

Diluted earnings per share:
 
 
 
 
Income from continuing operations
 
$
0.15

 
$
0.21

Income (loss) from discontinued operations
 
$
—

 
$
(0.01
)
Net income
 
$
0.15

 
$
0.20


(1)
Dilutive securities include “in the money” options, non-participating restricted stock units and performance stock units. The weighted-average shares outstanding for the three months ended March 31, 2016 and 2015 exclude the weighted average effect of 0.1 million and 0.6 million outstanding restricted stock units, respectively, because the securities were anti-dilutive.