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Discontinued Operations (Tables)
6 Months Ended
Jun. 30, 2013
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Dscontinued Operations, Income Statement, Balance Sheet and Additional Disclosures
 
For the three months ended June 30,
 
For the six months ended June 30,
 
2013
 
2012
 
2013
 
2012
 
(in millions)
Revenues
$
0.7

 
$
9.6

 
$
0.9

 
$
18.1

Operating income (loss)
$
0.1

 
$
(1.1
)
 
$

 
$
(1.8
)
Income tax benefit

 
0.1

 

 
0.1

Income (loss) from discontinued operations, net of taxes
$
0.1

 
$
(1.0
)
 
$

 
$
(1.7
)

Net assets for entities and operations included in discontinued operations are summarized as follows:
 
June 30, 2013
 
December 31, 2012
 
(in millions)
Assets:
 
 
 
Land
$
36.6

 
$
36.6

Other assets, net
2.0

 
2.0

Total assets
$
38.6

 
$
38.6

Liabilities:
 
 
 
Total liabilities
$

 
$

Net assets
$
38.6

 
$
38.6