ENVIRONMENTAL (Tables)

12 Months Ended

Dec. 31, 2019

Environmental Remediation Obligations [Abstract]

Rollforward of environmental liabilities

Our liabilities for future environmental expenditures were as follows:

	December 31,
	2019			2018
	($ in millions)
Beginning balance	$	125.6		$	131.6
Charges to income	25.3			7.3
Remedial and investigatory spending	(12.2		)	(13.0		)
Foreign currency translation adjustments	0.3			(0.3		)
Ending balance	$	139.0		$	125.6

Environmental Provisions Charged to Income Table

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

	Years ended December 31,
	2019			2018			2017
	($ in millions)
Provisions charged to income	$	25.3		$	7.3		$	10.3
Insurance recoveries for costs incurred and expensed	(4.8		)	(111.0		)	(1.8		)
Environmental expense (income)	$	20.5		$	(103.7	)	$	8.5