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Inventories
 6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories

11. Inventories

Net inventories as of June 30, 2015 and December 31, 2014 are summarized in the table below:

 

     

June 30,

2015

     

December 31,

2014

  
(Dollars in millions)              

Raw materials

    $ 166.6       $ 191.1   

Work in process

      16.1         2.6   

Finished goods

      98.2         103.6   
                   
     280.9         297.3   

Less revaluation to LIFO

      57.5         56.1   
                   

Net

    $ 223.4       $ 241.2