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Net Income per Share
 6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Net Income per Share
Net Income per Share
The following table sets forth the computation of basic and diluted earnings per common share:
 
 
Three months ended June 30,
 
Six months ended June 30,
 
2012
 
2011
 
2012
 
2011
 
(in thousands, except per-share amounts)
Numerator
 
 
 
 
 
 
 
Net income
$
34,591

 
$
16,917

 
$
58,010

 
$
24,800

Denominator
 
 
 
 
 
 
 
Weighted-average shares outstanding, basic
72,379

 
41,493

 
72,336

 
33,962

Effect of dilutive nonvested stock awards
205

 
276

 
206

 
308

Adjusted weighted-average shares outstanding, diluted
72,584

 
41,769

 
72,542

 
34,270

Net Income per Share
 
 
 
 
 
 
 
Basic earnings per common share
$
0.48

 
$
0.41

 
$
0.80

 
$
0.73

Diluted earnings per common share
$
0.48

 
$
0.41

 
$
0.80

 
$
0.72


For the three and six months ended June 30, 2012, there was a weighted-average of 40 thousand and 26 thousand anti-dilutive stock awards, respectively, excluded from the computation of diluted earnings per common share. At June 30, 2011, there were no anti-dilutive awards excluded from the computation of diluted earnings per common share.