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EARNINGS (LOSS) PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Reconciliation of basic and diluted earnings per share computations
The following are computations of basic and diluted earnings (loss) per share (in thousands except for per share amounts):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2015
 
2014
 
2015
 
2014
Numerator for basic and diluted earnings per share:
 

 
 

 
 
 
 
Net income (loss)
$
40,228

 
$
(93,337
)
 
$
43,534

 
$
(55,705
)
 
 
 
 
 
 
 
 
Denominator:
 

 
 

 
 
 
 
Basic shares outstanding
58,161

 
60,369

 
58,799

 
60,585

Dilutive effect of equity-based compensation awards
107

 
—

 
99

 
—

Dilutive shares outstanding
58,268

 
60,369

 
58,898

 
60,585

 
 
 
 
 
 
 
 
Basic earnings (loss) per share:
$
0.69

 
$
(1.55
)
 
$
0.74

 
$
(0.92
)
 
 

 
 

 
 

 
 

Diluted earnings (loss) per share:
$
0.69

 
$
(1.55
)
 
$
0.74

 
$
(0.92
)