Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Other Current Liabilities [Abstract]

Other current liabilities

($ in millions)	2015		2014
Deferred income	$	14.4	$	13.3
Other accrued expenses	23.1		22.4
Dividends payable	8.6		7.8
Other	7.7		8.3
Total other current liabilities	$	53.8	$	51.8