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
 6 Months Ended
Jun. 30, 2011
Goodwill and Other Intangible Assets and Liabilities  
Estimated amortization expense for 2011 (remaining six months) $ 9.6
Estimated amortization expense for 2012 19.2
Estimated amortization expense for 2013 18.3
Estimated amortization expense for 2014 18.3
Estimated amortization expense for 2015 6.4
Estimated amortization expense for 2016 6.4
Total $ 78.2