v2.4.0.6
Financial Instruments (Details 4) (Recycling Commodity Hedges [Member], Derivatives in Cash Flow Hedging Relationships [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Impact of hedges on results of operations and comprehensive income      
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion) $ 3.0 $ (3.2) $ (4.7)
Other income, net [Member]
     
Impact of hedges on results of operations and comprehensive income      
Amount of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)   (0.1) (0.1)
Revenue [Member]
     
Impact of hedges on results of operations and comprehensive income      
Amount of Realized Gain or (Loss) $ (7.8) $ (3.2) $ 5.1