Other Expense (Tables)

12 Months Ended

Dec. 31, 2019

Other Income and Expenses [Abstract]

Schedule of Other Income and Expense

Other (income) expense consisted of:

($ in millions)	2019		2018		2017
Restructuring and related charges:
Severance and post-employment benefits	$	2.6	$	3.1	$	—
Asset-related charges	0.3		2.2		—
Other charges	2.0		3.8		—
Total restructuring and related charges	$	4.9	$	9.1	$	—
Argentina currency devaluation	1.0		1.1		—
Tax recovery	(4.7)		—		—
Venezuela deconsolidation	—		—		11.1
Development and licensing income	(0.9)		(0.9)		(10.6)
Contingent consideration	2.1		(2.6)		(2.4)
Other items	(4.9)		(4.8)		3.9
Total other (income) expense	$	(2.5)	$	1.9	$	2.0

Schedule of Restructuring Obligations

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, 2017	$	—	$	—	$	—	$	—
Charges	3.1		2.2		3.5		8.8
Cash payments	(0.8)		—		—		(0.8)
Non-cash asset write-downs	—		(2.2)		(3.5)		(5.7)
Balance, December 31, 2018	$	2.3	$	—	$	—	$	2.3
Charges	2.6		0.3		2.0		4.9
Cash payments	(3.5)		—		—		(3.5)
Non-cash asset write-downs	—		(0.3)		(2.0)		(2.3)
Balance, December 31, 2019	$	1.4	$	—	$	—	$	1.4