Other Assets (Tables)

12 Months Ended

Dec. 31, 2011

Other Assets [Abstract]

Schedule of Other Assets, Noncurrent

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

	December 31
	2011		2010
Capitalized software costs, net of accumulated amortization	$	17.2	$	23.2
Business tax credits, including VAT and ICMS (net of $16.2 million reserve as of December 31, 2011)	3.9		18.9
Grantor trust assets	6.4		6.2
Other assets	4.3		7.4
Total	$	31.8	$	55.7