ENVIRONMENTAL (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2021		2020
	($ in millions)
Provisions charged to income	$	2.5	$	2.6
Recoveries for costs incurred and expensed	(2.2)		—
Environmental expense	$	0.3	$	2.6