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Goodwill And Intangibles (Schedule Of Estimated Future Amortization Expense) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Goodwill And Intangibles [Abstract]  
2012 $ 16.8
2013 16.0
2014 13.1
2015 12.8
2016 12.3
Thereafter $ 167.4