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Equity-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2011
Equity-Based Compensation (Tables)  
Restricted Stock Award Activity Table
      
Weighted Average
 
      
Grant Date Fair
 
   
Shares
  
Value Per Share
 
   
(In Thousands)
    
        
Nonvested restricted shares outstanding at December 31, 2010
  542  $13.92 
     Shares granted
  398   12.43 
     Shares cancelled
  (71)  13.43 
     Shares vested
  (357)  14.56 
Nonvested restricted shares outstanding at December 31, 2011
  512  $12.38 
Stock Option Award Activity Table
      
Weighted Average
 
   Shares  
Option Price
 
   
Under Option
  
Per Share
 
   
(In Thousands)
    
        
Outstanding at December 31, 2010
  5,875  $11.50 
     Options granted
  478   12.89 
     Options cancelled
  (583)  14.58 
     Options exercised
  (1,452)  6.77 
Outstanding at December 31, 2011
  4,318  $12.83 
          
Expected to vest
  1,043  $ 13.53 
Exercisable, end of year
  3,275   12.60 
Available for grant, end of year
  2,758   
Stock Option Valuation Assumptions Table
Year Ended December 31,
 
2011
 
2010
 
2009
           
Expected stock price volatility
72% to 75%
 
72% to 73%
 
65% to 73%
Expected life of options
4.7 years
 
4.7 years
 
4.7 years
Risk free interest rate
0.87% to 2.24%
 
1.3% to 2.8%
 
1.9% to 2.6%
Expected dividend yield
 -
 
 -
 
 -