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Inventories
3 Months Ended
Mar. 31, 2014
Inventories  
Inventories

5. Inventories

        Inventories consisted of the following:

 
  March 31,
2014
  December 31,
2013
 
 
  (in millions)
 

Materials and supplies

  $ 3.0   $ 2.6  

Finished goods

    2.4     3.3  
           

Total

  $ 5.4   $ 5.9