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Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Discontinued Operations
The following table presents the major classes of assets and liabilities that were disposed of on December 31, 2013:
 
As of
$ in millions
December 31, 2013
Assets
 
Receivables and other assets
52.0

Property and equipment, net
13.7

Intangible assets, net
2.2

Goodwill
74.5

Total assets
142.4

Liabilities
 
Accrued expenses
24.3

Total liabilities
24.3

    
The components of income from discontinued operations, net of tax, were as follows for the twelve months ended December 31, 2014, 2013, and 2012, respectively.
 
Years ended December 31,
$ in millions
2014
 
2013
 
2012
Operating revenue
0.3

 
162.6

 
126.6

Operating expenses
(7.0
)
 
(139.2
)
 
(97.7
)
Gain on sale
1.4

 
77.5

 

Income/(loss) from discontinued operations before income taxes
(5.3
)
 
100.9

 
28.9

Income tax provision
1.9

 
(36.4
)
 
(10.8
)
Income/(loss) from discontinued operations, net of taxes
(3.4
)
 
64.5

 
18.1