Other Expense (Tables)

3 Months Ended

Mar. 31, 2019

Other Income and Expenses [Abstract]

Schedule of Other Expense

Other (income) expense consists of:

	Three Months Ended March 31,
($ in millions)	2019			2018
Restructuring and related charges:
Severance and post-employment benefits	$	0.3		$	2.0
Asset-related charges	—			0.1
Other charges	0.3			1.2
Total restructuring and related charges	0.6			3.3
Development and licensing income	(0.2		)	(0.2		)
Contingent consideration	0.2			0.3
Other items	(2.9		)	(0.3		)
Total other (income) expense	$	(2.3	)	$	3.1

Schedule of Restructuring Reserve

The following table presents activity related to our restructuring obligations related to our 2018 restructuring plan:

($ in millions)	Severance and benefits			Asset-related charges		Other charges			Total
Balance, December 31, 2018	$	2.3		$	—	$	—		$	2.3
Charges	0.3			—		0.3			0.6
Cash payments	(1.1		)	—		—			(1.1		)
Non-cash asset write-downs	—			—		(0.3		)	(0.3		)
Balance, March 31, 2019	$	1.5		$	—	$	—		$	1.5