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Other Assets (Tables)
 12 Months Ended
Dec. 31, 2015
Other Assets [Abstract]  
Schedule of Other Assets
Other assets consisted of the following ($ in millions):
 
December 31,
 
2015
 
2014
Capitalized software costs, net of accumulated amortization
$
2.5

 
$
3.8

Business tax credits, including VAT and ICMS (net of $9.9 million and $11.7 million reserve as of December 31, 2015 and 2014, respectively)
2.6

 
2.5

Grantor trust assets
9.6

 
10.3

Other assets
7.6

 
3.8

Total
$
22.3

 
$
20.4