Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Other Intangible Assets And Liabilities (Schedule Of Earnings To Be Recognized On Below Market Sales Contract) (Details)

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Goodwill And Other Intangible Assets And Liabilities (Schedule Of Earnings To Be Recognized On Below Market Sales Contract) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Goodwill And Other Intangible Assets And Liabilities [Abstract]  
Below-market sales contracts revenue for 2012 (remaining nine months) $ 44.1
Below-market sales contracts revenue for 2013 46.0
Below-market sales contracts revenue for 2014 23.1
Below-market sales contracts revenue for 2015 23.0
Below-market sales contracts revenue for 2016 23.0
Total $ 159.2