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Debt (Convertible Bonds) (Detail) - Convertible Debt - 2011-2017 Convertible Bonds
€ in Millions, $ in Millions
1 Months Ended
Dec. 31, 2011
USD ($)
Dec. 15, 2011
EUR (€)
Bonds
Debt Instrument    
Number of convertible bonds issued | Bonds   5,178,455
Face amount | €   € 497.6
Cash consideration | $ $ 936.4