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Inventories (Tables)
12 Months Ended
Dec. 31, 2017
Schedule of Inventories

December 31 (dollars in millions)

   2017      2016  

Finished products

   $ 134.6      $ 114.1  

Work in process

     18.3        13.0  

Raw materials

     160.5        142.4  
  

 

 

    

 

 

 

Inventories, at FIFO cost

     313.4        269.5  

LIFO reserve

     (22.2      (18.4
  

 

 

    

 

 

 
   $ 291.2      $ 251.1