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Inventories (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Schedule of Inventory    
Finished goods $ 124.4 $ 99.9
Work-in-progress 220.6 162.6
Raw materials 91.9 77.6
Total inventories 436.9 340.1
Inventories awaiting regulatory approval $ 0 $ 22.7