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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Share
The following table sets forth the computation of basic and diluted earnings per share (“EPS”) (shares in millions): 
 
 
Year Ended December 31,
 
 
2015
 
2014
 
2013
Net income for basic EPS
$
313

 
$
245

 
$
16

Convertible debt interest, net of tax

 
1

 

Net income for diluted EPS
$
313

 
$
246

 
$
16

 
 
 
 
 
 
Basic weighted average shares outstanding
103.4

 
105.4

 
107.6

Options, warrants and non-vested stock
1.6

 
2.1

 
3.8

Convertible debt

 
3.1

 

Diluted weighted average shares outstanding
105.0

 
110.6

 
111.4

 
 
 
 
 
 
Earnings per share:
 
 
 
 
 
 
Basic
$
3.02

 
$
2.32

 
$
0.15

 
Diluted
$
2.98

 
$
2.22

 
$
0.15


Outstanding Common Stock Equivalents That Were Anti-Dilutive
The following table summarizes the Company’s outstanding common stock equivalents that were anti-dilutive and therefore excluded from the computation of diluted EPS (shares in millions): 
 
As of December 31,
 
2015
 
2014
 
2013
Non-vested stock (a)
0.1

 

 

Shares underlying convertible debt

 

 
4.0

__________
(a) 
The weighted average grant date fair value for anti-dilutive non-vested stock for 2015 was $61.15.