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Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2012
Other Intangible Assets

Other intangible assets at December 31 consisted of:

 

     2012     2011  
     Gross
Carrying
Amount		      Accumulated
Amortization		     Gross
Carrying
Amount		      Accumulated
Amortization		  

(dollars in millions)

           

Core technologies

    $ 717.7       $ (211.2 )    $ 660.2       $ (161.5 ) 

Customer relationships

      144.2         (38.8 )      144.6         (25.7 ) 

In-process research and development(A)

      167.8         —         136.2         —    

Other intangibles

      216.1         (121.2 )      202.6         (105.1 ) 
  

 

 

     

 

 

    

 

 

     

 

 

  
   $ 1,245.8       $ (371.2 )    $ 1,143.6       $ (292.3 ) 
  

 

 

     

 

 

    

 

 

     

 

 

  

 

(A)

Amounts capitalized as in-process research and development are accounted for as indefinite-lived intangible assets.