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Discontinued Operations and Divestitures (Tables)
9 Months Ended
Sep. 30, 2011
Discontinued Operations and Divestitures (Tables) [Abstract] 
Net impacts of the discontinued operations on earnings

 
 
Three Months Ended September 30
 
Nine Months Ended September 30
 
 
2011
 
2010
 
2011
 
2010
 
 
(Millions of Dollars)
Income from Continuing Operations
 
$
129.8

 
$
112.3

 
$
398.7

 
$
328.8

Income from Discontinued Edison Sault operations, net of tax
 
—

 
—

 
—

 
1.8

Income (Loss) from Discontinued other operations, net of tax (a)
 
—

 
(0.1
)
 
11.5

 
—

Net Income
 
$
129.8

 
$
112.2

 
$
410.2

 
$
330.6

 
 
 
 
 
 
 
 
 
(a) During 2011, we reached a favorable resolution of uncertain state and federal tax positions associated with our
previously discontinued manufacturing business.