Other Expense (Income) (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Schedule of Other Expense (Income)

Other expense (income) consisted of:

($ in millions)	2020		2019		2018
Restructuring and related charges:
Severance and post-employment benefits	$	4.6	$	2.6	$	3.1
Asset-related charges	—		0.3		2.2
Other charges	—		2.0		3.8
Total restructuring and related charges	$	4.6	$	4.9	$	9.1
Fixed asset impairments and sale of equipment, net	7.7		0.8		1.8
Argentina currency devaluation	—		1.0		1.1
Brazil tax recovery	—		(4.7)		—
Development and licensing income	(0.9)		(0.9)		(0.9)
Contingent consideration	1.2		2.1		(2.6)
Foreign exchange transaction gains	(1.5)		(4.6)		(5.5)
Other items	0.9		(1.1)		(1.1)
Total other expense (income)	$	12.0	$	(2.5)	$	1.9

Schedule of Restructuring Obligations

The following table presents activity related to our restructuring obligations related to our 2020 restructuring plan:

($ in millions)	Severance and benefits		Asset-related charges		Other charges		Total
Balance, December 31, 2019	$	—	$	—	$	—	$	—
Charges	4.6		—		—		4.6
Cash payments	—		—		—		—
Balance, December 31, 2020	$	4.6	$	—	$	—	$	4.6

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	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
Cash payments	(1.3)		—		—		(1.3)
Balance, December 31, 2020	$	0.1	$	—	$	—	$	0.1