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Finance Expense (Tables)
 12 Months Ended
Dec. 31, 2014
Finance Expense
     Fiscal Year Ended December 31,  
             2014                     2013                     2012          

Interest expense

      (105.0 )      (90.7 )      (68.6 ) 

Capitalized interest

      24.2        18.3        13.0   
  

 

 

    

 

 

    

 

 

  

Total finance expense

      (80.8 )      (72.4 )      (55.6 )