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Inventories (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Schedule of Inventory    
Finished goods $ 99.9 $ 91.9
Work-in-progress 162.6 113.9
Raw materials 77.6 54.2
Total inventories 340.1 260.0
Inventories awaiting regulatory approval $ 22.7 $ 4.1