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Income (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2011
Income (Loss) Per Share (Tables)  
Weighted Average Shares Outstanding Table
   
Year Ended December 31,
 
   
2011
  
2010
  
2009
 
   
(In Thousands)
 
           
Number of weighted average common shares outstanding
  76,616   75,539   75,045 
Assumed exercise of stock options
  1,375   -   677 
Average diluted shares outstanding
  77,991   75,539   75,722