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Earnings per Share
 9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Earnings per Share

Note 3.

Earnings per Share

The following is a reconciliation of basic earnings per share to diluted earnings per share for income from continuing operations attributable to our common stockholders (in millions, except per share data):

 

 

 

Three Months Ended

 

 

Nine Months Ended

 

 

 

September 30,

 

 

September 30,

 

 

 

2015

 

 

2014

 

 

2015

 

 

2014

 

Income from continuing operations

 

$

88

 

 

$

109

 

 

$

323

 

 

$

398

 

Weighted average common shares for basic earnings per share

 

 

168

 

 

 

185

 

 

 

169

 

 

 

188

 

Effect of dilutive stock options and restricted stock awards

 

 

1

 

 

 

1

 

 

 

1

 

 

 

2

 

Weighted average common shares for diluted earnings per share

 

 

169

 

 

 

186

 

 

 

170

 

 

 

190

 

Basic earnings per share

 

$

0.53

 

 

$

0.60

 

 

$

1.91

 

 

$

2.12

 

Diluted earnings per share

 

$

0.53

 

 

$

0.59

 

 

$

1.90

 

 

$

2.10

 

 

Approximately 0.8 million shares for the three months ended September 30, 2015, an insignificant amount of shares for the three months ended September 30, 2014, and 0.7 million shares and 0.4 million shares for the nine months ended September 30, 2015 and 2014, respectively, were excluded from the computation of diluted shares, as their impact would have been anti-dilutive.