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Goodwill And Other Intangible Assets, Net (Schedule Of Estimated Aggregate Amortization Expense) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Goodwill And Other Intangible Assets, Net [Abstract]  
2012 $ 2.7
2013 1.4
2014 0.2
2015   
2016   
Estimated aggregate amortization expense, Total $ 4.3