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Net Income (Loss) Per Share
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
NET INCOME (LOSS) PER SHARE
NET INCOME (LOSS) PER SHARE
Basic income (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share reflects the potential dilution that would occur if securities or other contracts to issue common stock were exercised or converted into common stock. For the three months ended March 31, 2014, 2,071,279 shares of common stock equivalents related to equity-based awards were not included in the diluted per share calculation due to the net loss incurred. For the three months ended March 31, 2013, 780,421 shares of common stock equivalents related to equity-based awards were not 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 earnings per share for the three months ended March 31, 2014 and 2013 because there is no excess value upon conversion over the principal amount of the Notes.

 
Three months ended March 31,
In thousands except per share amounts
2014
 
2013
Net income (loss) available to common stockholders
$
(37,191
)
 
$
12,270

Weighted average shares
 
 
 
Basic
102,365

 
89,948

Effect of share based compensation plans
—

 
88

Diluted
102,365

 
90,036

Income (loss) per share:
 
 
 
Basic
$
(0.36
)
 
$
0.14

Diluted
$
(0.36
)
 
$
0.14