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Discontinued Operations (Tables)
6 Months Ended
Jun. 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 six months ended June 30 was as follows (in millions):
 
Three Months
 
Six Months
 
2014
 
2013
 
2014
 
2013
Operating revenues

$—

 

$—

 

$—

 

$0.9

Operating expenses
0.6

 
0.9

 
0.6

 
6.5

Loss before income taxes
(0.6
)
 
(0.9
)
 
(0.6
)
 
(5.6
)
Income tax benefit
(0.3
)
 
(0.3
)
 
(0.3
)
 
(2.0
)
Loss from discontinued operations, net of tax

($0.3
)
 

($0.6
)
 

($0.3
)
 

($3.6
)