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Components of Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Inventory, Finished Goods and Work in Process, Net of Reserves [Abstract]    
Raw materials and supplies $ 79.8 $ 84.6
Work in process 31.4 33.1
Finished goods 179.8 156.3
Total $ 291.0 $ 274.0