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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Earnings Per Share

 

 

 

 

 

 

 

For the three months ended

 

March 31,

 

2013

 

2012

 

 

 

 

 

 

Net income (in thousands)

$
127,515 

 

$
107,704 

 

 

 

 

 

 

Number of common shares:

 

 

 

 

 

Weighted average outstanding

 
350,032,430 

 

 
348,000,074 

Issued upon assumed exercise of outstanding stock options

 
579,022 

 

 
1,889,691 

Effect of issuance of nonvested restricted common stock

 
126,857 

 

 
100,960 

Weighted average and potential dilutive outstanding(1)

 
350,738,309 

 

 
349,990,725 

 

 

 

 

 

 

Earnings (loss) per share:

 

 

 

 

 

Basic

$
0.36 

 

$
0.31 

 

 

 

 

 

 

Diluted

$
0.36 

 

$
0.31 

 

(1) Options for 2,112,679 shares and 271,674 shares of restricted stock were excluded from the calculation for the three months ended March 31, 2013 because they would have had an antidilutive effect. Options for 1,702,166 shares and 657,763 shares of restricted stock were excluded from the calculation for the three months ended March 31, 2012 because they would have had an antidilutive effect.