Other Assets (Tables)

12 Months Ended

Dec. 31, 2016

Other Assets [Abstract]

Schedule of Other Assets

Other assets consisted of the following ($ in millions):

	December 31,
	2016		2015
Capitalized software costs, net of accumulated amortization	$	4.4	$	2.5
Business tax credits, including VAT and ICMS (net of $11.5 million and $9.9 million reserve as of December 31, 2016 and 2015, respectively)	2.5		2.6
Grantor trust assets	10.3		9.6
Long-term supplies inventory	6.0		5.0
Other assets	4.3		2.6
Total	$	27.5	$	22.3