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Net Income Per Share (Tables)
 6 Months Ended
Jun. 30, 2011
Net Income Per Share  
Schedule of Net Income Per Share
   
Three Months Ended June 30,
    
Six Months Ended June 30,
  
   
2011
    
2010
    
2011
    
2010
  
   
(in millions)
  
Numerator:
                        
Net income (loss)
   $ (21.2 )   $ 7.2     $ (37.8 )   $ (2.5 )
Net interest expense on convertible notes and convertible preferred stock dividends (a)
  
(b)
        -    
(b)
    
(b)
  
Net income (loss) if-converted
  $ (21.2 )     7.2     $ (37.8 )     (2.5 )
                                 
Denominator:
                                
Weighted average common shares
    122.8       114.9       122.1       114.3  
Less: Weighted average unvested restricted stock
     1.7       2.0       1.8       2.0  
Denominator for basic calculation
    121.1       112.9       120.3       112.3  
                                 
Weighted average effect of dilutive securities:
                                
Stock compensation awards
 
(b)
       0.4    
(b)
    
(b)
  
Convertible preferred stock
 
(b)
       -    
(b)
       -  
Convertible notes 
  
(b)
       48.1    
(b)
    
(b)
  
Denominator for diluted calculation
    121.1       161.4       120.3       112.3  
                                 
Net income (loss) per share – basic
  $ (.18 )   $ .06     $ (.31 )   $ (.02 )
Net income (loss) per share – diluted
  $ (.18 )(b)   $ .04     $ (.31 )(b)   $ (.02 )(b)
Schedule of Securities Excluded From Earnings Per Share
 
Three Months Ended June 30,
Six Months Ended June 30,
 
2011
2010
2011
2010
Options excluded from diluted earnings per share
2.2
1.8
2.2
2.6
Warrants excluded from diluted earnings per share
6.3
-
6.3
-
Exercise price of excluded options
$5.00 -
$5.86 -
$5.00 -
$5.00 -
 
$14.28
$16.90
$14.28
$16.90
Exercise price of excluded warrants
$7.50
-
$7.50
-