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Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Other Intangible Assets

Other intangible assets at December 31 consisted of:

 

     2016     2015  
     Gross
Carrying
Amount		      Accumulated
Amortization		     Gross
Carrying
Amount		      Accumulated
Amortization		  
(dollars in millions)                           

Core and developed technologies

    $ 1,197.7       $ (511.3 )    $ 1,161.6       $ (417.3 ) 

Customer relationships

      171.6         (53.2 )      150.1         (70.3 ) 

In-process research and development

      121.5         —          115.7         —     

Other intangibles

      190.8         (107.1 )      184.9         (105.6 ) 
  

 

 

     

 

 

    

 

 

     

 

 

  
   $ 1,681.6       $ (671.6 )    $ 1,612.3       $ (593.2 )