ENVIRONMENTAL (Tables)

9 Months Ended

Sep. 30, 2021

Environmental Remediation Obligations [Abstract]

Environmental Provisions Charged to Income [Table Text Block]

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
	($ in millions)
Provisions charged to income	$	3.6	$	12.5	$	10.8	$	17.9
Recoveries for costs incurred and expensed	—		—		(2.2)		—
Environmental expense	$	3.6	$	12.5	$	8.6	$	17.9

Environmental expense for the nine months ended September 30, 2021 includes $2.2 million of insurance recoveries for environmental costs incurred and expensed in prior periods.