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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Schedule of Reconcililation of Earnings Per Share
The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share computations from continuing operations for the three and nine months ended September 30, 2013 and 2012 (in thousands):
 
For the three months ended September 30,
 
2013
 
2012
 
Numerator /
    
net income
 
Denominator /
    
shares
 
Numerator /
net
income
 
Denominator /
    
shares
Income from continuing operations and shares used in basic calculations
$
227,621

 
114,113

 
$
9,807

 
46,411

Effect of dilutive stock based awards
 
 
660

 
 
 
—

Income from continuing operations and shares used in diluted calculations
$
227,621

 
114,773

 
$
9,807

 
46,411

Basic earnings per share from continuing operations
 
 
$
1.99

 
 
 
$
0.21

Diluted earnings per share from continuing operations
 
 
$
1.98

 
 
 
$
0.21


 
For the nine months ended September 30,
 
2013
 
2012
 
Numerator /
    
net income
 
Denominator /
    
shares
 
Numerator /
net
income
 
Denominator /
    
shares
Income from continuing operations and shares used in basic calculations
$
138,316

 
68,632

 
$
24,556

 
49,619

Effect of dilutive stock based awards
 
 
223

 
 
 
—

Income from continuing operations and shares used in diluted calculations
$
138,316

 
68,855

 
$
24,556

 
49,619

Basic earnings per share from continuing operations
 
 
$
2.02

 
 
 
$
0.49

Diluted earnings per share from continuing operations
 
 
$
2.01

 
 
 
$
0.49