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Earnings Per Share
 12 Months Ended
Dec. 31, 2012
Earnings (Loss) Per Share [Abstract]  
Earnings Per Share

12. EARNINGS PER SHARE

The following table illustrates the basic and diluted earnings per share (“EPS”) computations for the years ended December 31, 2012, 2011 and 2010. See Note 1 – Organization & Summary of Significant Accounting Policies for additional detail regarding our EPS calculations.

 

 

 

 

 

 

 

 

 

 

 

 

 

Year Ended December 31,

($ thousands, except share and per share data)

 

2012

 

2011

 

2010

Numerator

 

 

 

 

 

 

 

 

 

Net income attributable to common stockholders

 

$
131,343 

 

$
112,788 

 

$
67,726 

Less: income allocated to participating securities

 

 
(645)

 

 
(1,014)

 

 
(863)

Net income attributable to common stockholders - basic and diluted

 

$
130,698 

 

$
111,774 

 

$
66,863 

Denominator

 

 

 

 

 

 

 

 

 

Weighted average common shares outstanding - basic

 

 
89,571,105 

 

 
88,317,898 

 

 
85,482,055 

Plus: dilutive effect of stock options and unvested restricted stock units

 

 
1,017,311 

 

 
1,663,484 

 

 
2,113,563 

Weighted average common shares outstanding - diluted

 

 
90,588,416 

 

 
89,981,382 

 

 
87,595,618 

Net income attributable per common share:

 

 

 

 

 

 

 

 

 

Basic

 

$
1.46 

 

$
1.27 

 

$
0.78 

Diluted

 

$
1.44 

 

$
1.24 

 

$
0.76 

For the years ended December 31, 2012, 2011 and 2010, 1.4 million, 1.1 million, and 1.3 million options and RSUs, respectively, were not included in the calculation of diluted EPS as their effect would have been anti-dilutive.