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Discontinued Operations And Assets And Liabilities Held For Sale (Summary Of Gain (Loss) On Disposition Of Discontinued Operations Net Of Taxes) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Discontinued Operations And Assets And Liabilities Held For Sale [Abstract]        
Revenues from Discontinued Operations $ 0 $ 9.8 $ 0 $ 20.3
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax, Total (0.7) 1.9 13.4 4.1
Discontinued Operation, Tax Effect of Discontinued Operation (0.3) 0.8 5.1 1.7
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent (0.4) 1.1 8.3 2.4
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax $ 0 $ 0 $ 36.4 $ 0