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Discontinued Operations (Tables)
3 Months Ended
Mar. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]  
Summary of Loss from Discontinued Operations
The following table summarizes loss from discontinued operations, net, for the quarters ended March 31, 2016 and 2015 (in millions):
 
2016
 
2015
Revenues
$

 
$
9.6

Operating expenses
.8

 
21.9

Operating loss
(.8
)
 
(12.3
)
Income tax (expense) benefit
(.1
)
 
12.1

Gain on disposal of discontinued operations, net

 

Loss from discontinued operations, net
$
(.9
)
 
$
(.2
)