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Earnings Per Share
 6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
EARNINGS PER SHARE
EARNINGS PER SHARE
Basic earnings per share is computed by dividing net income (loss) available to common shareholders by the weighted average number of common shares outstanding during each period. Diluted earnings per share reflect the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. For the three and six months ended June 30, 2012, 632,213 shares of common stock equivalents related to equity-based awards have not been included in the diluted per share calculation as the shares would be antidilutive. For the three and six months ended June 30, 2011, 1,056,901 and 1,419,282, respectively, shares of common stock equivalents related to convertible debt and equity based awards have not been included in the diluted per share calculation as the shares would be antidilutive. The 3.25% Convertible Senior Notes were not included in the computation of diluted earning per share for the three and six months ended June 30, 2012 and 2011 because there is no excess value upon conversion over the principle amount of the Notes.
The effect of potentially dilutive stock outstanding as of June 30, 2012, and 2011 are as follows (in thousands, except per share data):
 
Three months ended June 30, 2012
 
Six months ended June 30, 2012
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per-Share
Amount
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per-Share
Amount
Basic EPS
 
 
 
 
 
 
 
 
 
 
 
Net income available to common stockholders
$
22,973

 
89,631

 
$
0.26

 
$
26,948

 
89,611

 
$
0.30

Effect of Dilutive Securities
 
 
 
 
 
 
 
 
 
 
 
Equity awards
—

 
102

 
 
 
—

 
166

 
 
Diluted EPS
 
 
 
 
 
 
 
 
 
 
 
Net income available to common stockholders
$
22,973

 
89,733

 
$
0.26

 
$
26,948

 
89,777

 
$
0.30

 
 
 
 
 
 
 
 
 
 
 
 
 
Three months ended June 30, 2011
 
Six months ended June 30, 2011
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per-Share
Amount
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per-Share
Amount
Basic EPS
 
 
 
 
 
 
 
 
 
 
 
Net income available to common stockholders
$
38,611

 
89,310

 
$
0.43

 
$
51,075

 
89,299

 
$
0.57

Effect of Dilutive Securities
 
 
 
 
 
 
 
 
 
 
 
Equity awards
—

 
402

 
 
 
—

 
384

 
 
Diluted EPS
 
 
 
 
 
 
 
 
 
 
 
Net income available to common stockholders
$
38,611

 
89,712

 
$
0.43

 
$
51,075

 
89,683

 
$
0.57