INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Inventories

	December 31,
	2019			2018
	($ in millions)
Supplies	$	80.5		$	66.4
Raw materials	74.9			66.7
Work in process	140.3			139.6
Finished goods	449.5			488.5
	745.2			761.2
LIFO reserve	(49.5		)	(49.8		)
Inventories, net	$	695.7		$	711.4