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Debt
6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]  
Debt
6. Debt

Our debt consisted of the following (in millions):

 

     June 30,
2013
    December 31,
2012
 

Short-term debt

    

Senior Credit Facility

   $ —        $ 100.0   

Other short-term debt

     —          0.1   
  

 

 

   

 

 

 

Total short-term debt

   $ —        $ 100.1   
  

 

 

   

 

 

 

Long-term debt

    

Senior Notes due 2014

   $ 250.0      $ 250.0   

Senior Notes due 2019

     500.0        500.0   

Senior Notes due 2021

     300.0        300.0   

Senior Notes due 2039

     500.0        500.0   

Term Loan

     119.9        138.6   

Debt discount

     (1.6 )      (1.7 ) 

Adjustment related to interest rate swaps

     19.8        33.9   
  

 

 

   

 

 

 

Total long-term debt

   $ 1,688.1      $ 1,720.8   
  

 

 

   

 

 

 

The estimated fair value of our Senior Notes as of June 30, 2013, based on quoted prices for the specific securities from transactions in over-the-counter markets (Level 2), was $1,654.6 million. The estimated fair value of the Term Loan as of June 30, 2013, based upon publicly available market yield curves and the terms of the debt (Level 2), was $119.9 million.