Other (Income) Expense (Tables)

12 Months Ended

Dec. 31, 2014

Other Income and Expenses [Abstract]

Schedule of Other Income and Expense

Other (income) expense consisted of:

($ in millions)	2014			2013			2012
License costs	$	1.2		$	—		$	—
Development income	(1.6		)	(2.0		)	(6.5		)
Acquisition-related contingencies	1.1			1.0			1.2
Foreign exchange and other	(0.9		)	0.5			1.1
Restructuring and related charges	—			—			2.1
Impairment charge	—			—			3.4
Total other (income) expense	$	(0.2	)	$	(0.5	)	$	1.3