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Net Income (Loss) Per Share (Tables)
6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Calculations of Net Loss Per Share
The calculations of net income (loss) per share were as follows:
   
Three months ended June 30,
 
Six months ended June 30,
   
2014
 
2013
 
2014
 
2013
 
(In thousands except per share data)
(Unaudited)
Basic:
   
 
   
 
   
 
   
Net income (loss)
$
(7,348
)
 
$
(28,123
)
 
$
23,971

 
$
(40,062
)
Weighted average common shares outstanding
20,771

 
21,128

 
21,226

 
21,119

Net income (loss) per share
$
(0.35
)
 
$
(1.33
)
 
$
1.13

 
$
(1.90
)
 
 
 
 
 
 
 
 
Diluted:
 
 
 
 
 
 
 
Net income (loss)
$
(7,348
)
 
$
(28,123
)
 
$
23,971

 
$
(40,062
)
Interest on convertible senior debentures

 

 
2,103

 

Net income (loss) for dilutive share computation
$
(7,348
)
 
$
(28,123
)
 
$
26,074

 
$
(40,062
)
 
 
 
 
 
 
 
 
Number of shares used in basic per share computation
20,771

 
21,128

 
21,226

 
21,119

Convertible senior debentures

 

 
3,034

 

Unvested restricted stock and DSUs

 

 
22

 

Employee stock options

 

 
371

 

Weighted average common shares outstanding
20,771

 
21,128

 
24,653

 
21,119

 
 
 
 
 
 
 
 
Net income (loss) per share
$
(0.35
)
 
$
(1.33
)
 
$
1.06

 
$
(1.90
)