XML 117 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2012
Fair value of financial instruments [Abstract]  
Available For Sale Securities [Text Block]
      December 31,  
 (In millions)  2012 2011 
            
 Mutual funds       
  Cost$ 4.3   16.9  
  Gross unrealized gains  1.0   3.1  
   Fair value$ 5.3   20.0  
Fixed Rate Debt [Table Text Block]
    December 31,  December 31,  
 (In millions) 2012 2011 
          
 DTA bonds       
  Carrying value$ 43.2   43.2  
  Fair value  43.4   44.0  
          
 Unsecured notes issued in a private placement       
  Carrying value  100.0   100.0  
  Fair value  110.5   106.4  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
     December 31,  
 (In millions) 2012 2011 2010 
              
 Beginning balance$ -  3.4  3.1  
  Total gain and (loss), realized and unrealized:          
   Included in interest and other income  -   2.6   -  
   Included in other comprehensive income (loss)  -   0.3   0.3  
  Purchases  -   -   -  
  Sales  -   (6.3)   -  
 Ending balance$ -   -   3.4