ENVIRONMENTAL (Tables)

12 Months Ended

Dec. 31, 2021

Environmental Remediation Obligations [Abstract]

Rollforward of environmental liabilities

Our liabilities for future environmental expenditures were as follows:

	December 31,
	2021		2020
	($ in millions)
Beginning balance	$	147.2	$	139.0
Charges to income	16.2		20.9
Remedial and investigatory spending	(16.4)		(12.8)
Foreign currency translation adjustments	0.3		0.1
Ending balance	$	147.3	$	147.2

Environmental Provisions Charged to Income Table

Environmental provisions charged to income, which are included in cost of goods sold, were as follows:

	Years ended December 31,
	2021		2020		2019
	($ in millions)
Provisions charged to income	$	16.2	$	20.9	$	25.3
Insurance recoveries for costs incurred and expensed	(2.2)		—		(4.8)
Environmental expense	$	14.0	$	20.9	$	20.5