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Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Other Intangible Assets And Liabilities (Estimated Amortization Expense Relating To Intangible Assets) (Details)

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Goodwill And Other Intangible Assets And Liabilities (Estimated Amortization Expense Relating To Intangible Assets) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Goodwill And Other Intangible Assets And Liabilities [Abstract] Ìý
Estimated amortization expense for 2012 (remaining nine months) $ 13.5
Estimated amortization expense for 2013 17.9
Estimated amortization expense for 2014 17.9
Estimated amortization expense for 2015 6.0
Estimated amortization expense for 2016 6.0
Estimated amortization expense for 2017 6.0
Total $ 67.3