Other Expense (Income) (Tables)

6 Months Ended

Jun. 30, 2014

Other Income and Expenses [Abstract]

Schedule of Other Expense (Income)

Other expense (income) consists of:

	Three Months Ended June 30,						Six Months Ended June 30,
($ in millions)	2014			2013			2014			2013
Development income	$	(0.5	)	$	(0.5	)	$	(0.9	)	$	(0.8	)
Acquisition-related contingencies	0.3			0.2			0.7			0.2
Foreign exchange and other	0.5			(0.5		)	1.2			—
	$	0.3		$	(0.8	)	$	1.0		$	(0.6	)