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Inventories, Net (Components Of Net Inventories) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Inventory, Net [Abstract]    
Materials and supplies $ 148.6 $ 130.8
Work in process 135.5 105.6
Finished products 574.8 463.5
Inventories, net $ 858.9 $ 699.9