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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Component of income from continuing operations and share data used in basic and diluted earnings per share
The following reflects income from continuing operations and share data used in the basic and diluted earnings per share computations using the two-class method:
 
 
 
Three Months Ended March 31,
(in millions except share and per share amounts)
 
2017
 
2016
Income from continuing operations
 
$
61.5

 
$
68.5

Less: dividends declared - common stock outstanding, restricted shares and restricted share units
 
(22.7
)
 
(19.5
)
Undistributed earnings
 
38.8

 
49.0

Percent allocated to common shareholders (1)
 
99.3
%
 
99.3
%
 
 
38.5

 
48.6

Add: dividends declared - common stock
 
22.5

 
19.2

Income from continuing operations attributable to common shares
 
$
61.0

 
$
67.8

 
 
 
 
 
Shares (in thousands):
 
 
 
 
Weighted-average common shares outstanding 
 
64,353

 
64,018

Effect of dilutive securities:
 
 
 
 
Performance awards
 
107

 
325

Stock options
 
388

 
533

Adjusted weighted-average common shares outstanding and assumed conversion
 
64,848

 
64,876

 
 
 
 
 
Per share income from continuing operations attributable to common shares:
 
 
 
 
Basic
 
$
0.95

 
$
1.06

Diluted
 
$
0.94

 
$
1.05

 
 
 
 
 
(1) Basic weighted-average common shares outstanding
 
64,353

 
64,018

Basic weighted-average common shares outstanding, unvested restricted shares expected to vest and restricted share units
 
64,822

 
64,491

Percent allocated to common shareholders
 
99.3
%
 
99.3
%
Component of income (loss) from discontinued operations and share data used in basic and diluted earnings per share
Income from discontinued operations and net income used in the basic and diluted earnings per share computations were as follows:
 
 
 
Three Months Ended March 31,
(in millions except share amounts presented in thousands)
 
2017
 
2016
Income from discontinued operations attributable to common shareholders for basic and diluted earnings per share
 
$
0.3

 
$

Net income attributable to common shareholders for basic and diluted earnings per share
 
$
61.3

 
$
67.8

Anti-dilutive stock options excluded from EPS calculation (1)
 
210

 
544

(1) Represents stock options excluded from the calculation of diluted earnings per share, as such, options’ assumed proceeds upon exercise would result in the repurchase of more shares than the underlying award.