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Discontinued Operations (Tables)
3 Months Ended
Mar. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Major Classes of Assets and Liabilities Associated with Discontinued Operations
Included in Other Current Assets, Other Assets and Accrued Expenses within the condensed consolidated balance sheet are the following major classes of assets and liabilities, respectively, associated with the discontinued operations ($ in millions):
 
March 31, 2016
 
December 31, 2015
Assets of discontinued operations:
 
 
 
Current assets
$
1.2

 
$
1.1

Other assets
2.7

 
2.6

 
 
 
 
Liabilities of discontinued operations:
 
 
 

Current liabilities
0.1

 
0.2