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Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Components Of Discontinued Operations In Income Statements
A summary of the components of discontinued operations in Alliant Energy’s income statements for the three and nine months ended September 30 was as follows (in millions):
 
Three Months
 
Nine Months
 
2014
 
2013
 
2014
 
2013
Operating revenues

$—

 

$—

 

$—

 

$0.9

Operating expenses
2.8

 
2.1

 
3.4

 
8.6

Loss before income taxes
(2.8
)
 
(2.1
)
 
(3.4
)
 
(7.7
)
Income tax benefit
(0.9
)
 
(0.8
)
 
(1.2
)
 
(2.8
)
Loss from discontinued operations, net of tax

($1.9
)
 

($1.3
)
 

($2.2
)
 

($4.9
)