XML 23 R12.htm IDEA: XBRL DOCUMENT v2.4.0.6
Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2012
Earnings (Loss) Per Share [Abstract]  
Computation of earnings (loss) per share and reconciliation of basic and diluted weighted average common shares outstanding
The table below presents the computation of earnings (loss) per share, including the reconciliation of basic and diluted weighted average shares outstanding (in thousands, except EPS):

 
Three Months Ended
March 31,
 
 
2012
 
2011
 
Net income (loss)
$
3,651
 
$
(638
)
             
Weighted average shares outstanding:
           
 
Basic
 
47,519
   
48,864
 
 
Effect of dilutive securities:
           
   
Stock options and employee stock purchase plan
 
1,079
   
 
 
Diluted
 
48,598
   
48,864
 
               
Earnings (loss) per share:           
 
Basic
$
0.08
 
$
(0.01
)
 
Diluted
$
0.08
 
$
(0.01
)
               
Anti-dilutive stock options excluded from diluted earnings per share computations 
1,199
   
5,252