INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2012

Inventory Disclosure [Abstract]

Inventories Table

	December 31,
	2012			2011
	($ in millions)
Supplies	$	36.4		$	35.0
Raw materials	70.5			75.7
Work in process	25.2			31.9
Finished goods	141.0			111.7
	273.1			254.3
LIFO reserves	(78.0		)	(77.7		)
Inventories	$	195.1		$	176.6