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Components of Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Inventory, Finished Goods and Work in Process, Net of Reserves [Abstract]    
Raw materials and supplies $ 84.6 $ 70.8
Work in process 33.1 25.0
Finished goods 156.3 150.1
Total $ 274.0 $ 245.9