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Debt (Tables)
12 Months Ended
Dec. 31, 2012
Long-Term Debt

Long-term debt at December 31 consisted of:

 

     2012      2011  
(dollars in millions)              

1.375% notes due 2018

   $ 499.4       $ —     

4.40% notes due 2021

     497.1         496.8   

2.875% notes due 2016

     263.3         262.1   

6.70% notes due 2026

     149.8         149.8   
  

 

 

    

 

 

 
   $ 1,409.6       $ 908.7