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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]  
Long-Term Debt

Long-term debt consisted of the following at:

 

     June 30,
2013
     December 31,
2012
 
     (in millions)  

8 5/8% Senior Notes due 2017

   $ 375.0       $ 375.0   

1 3/4% Senior Convertible Notes due 2017

     245.5         239.1   

7 1/2% Senior Notes due 2022

     300.0         300.0   

Bank debt

     —           —     
  

 

 

    

 

 

 

Total long-term debt

   $ 920.5       $ 914.1