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Interest Expense
 12 Months Ended
Dec. 31, 2013
Interest Expense  
Interest Expense

9.     Interest Expense

        Details of interest expense are as follows:

 
   Year ended December 31,  
 
   2013   2012   2011  
 
   (in millions)
  

Interest on borrowings

   $ 150.6   $ 112.2   $ 113.9  

Fees on financing agreements

     15.4     32.1     40.3  

Interest on tax liabilities

     12.9     1.4     3.1  

Interest capitalized and other

     (26.7 )   (10.4 )   (10.1 )
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

 

   $ 152.2   $ 135.3   $ 147.2  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
               

        The fees on financing agreements for the year ended December 31, 2012 includes $15.2 million of accelerated amortization of deferred fees related to the termination of a credit agreement in May 2012. Refer to Note 21—Financing Agreements, for additional information. The fees on financing agreements for the year ended December 31, 2011, includes $19.9 million of accelerated amortization of debt issuance costs recognized upon repayment in full of a senior secured term loan.