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Inventories (Summary Of Inventories) (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Inventory [Line Items]    
Finished goods $ 150.7 $ 121.9
Work in progress 11.0 6.8
Raw materials and supplies 69.1 57.8
Total inventories $ 230.8 $ 186.5