Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Other Current Liabilities [Abstract]

Other current liabilities

($ in millions)	2014		2013
Deferred income	$	13.3	$	10.8
Other accrued expenses	22.4		23.7
Other	16.1		16.3
Total other current liabilities	$	51.8	$	50.8