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Earnings (loss) Per Common Share
 3 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Earnings (loss) Per Common Share
Earnings (Loss) Per Common Share
The following table presents a reconciliation of the numerators and denominators of the basic income (loss) per share and diluted income (loss) per share computations (amounts in thousands, except per share data):
 
 
Three months ended March 31,
 
2012
 
2011
Basic
 
 
 
Net income (loss)
$
14,172

 
$
(6,035
)
Weighted-average shares
61,578

 
53,968

Income (loss) per share
$
0.23

 
$
(0.11
)
Diluted
 
 
 
Net income (loss)
$
14,172

 
$
(6,035
)
Effect of dilutive securities
—

 
—

Net income (loss) available to common shareholders after assumed conversion
$
14,172

 
$
(6,035
)
Weighted average shares:
 
 
 
Outstanding
61,578

 
53,968

Diluted effect of stock options, restricted stock, and restricted stock unit awards
1,069

 
—

 
62,647

 
53,968

Income (loss) per share
$
0.23

 
$
(0.11
)

Potentially dilutive stock options, restricted stock and restricted stock unit awards representing a total of 3,742,383 and 4,875,894 shares of common stock were excluded from the computation of diluted weighted average shares outstanding for the three months ended March 31, 2012 and 2011, respectively, due to their antidilutive effect.