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) (Detail)

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Goodwill And Other Intangible Assets And Liabilities (Schedule Of Earnings To Be Recognized On Below Market Sales Contract) (Detail) (USD $)
In Millions, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Below-market sales contracts revenue for 2012 (remaining three months) $ 14.7
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
Below-market sales contracts revenue for 2017 0
Total $ 129.8