INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2011

INVENTORIES [Abstract]

Inventories Table

	December 31,
	2011			2010
	($ in millions)
Supplies	$	35.0		$	30.8
Raw materials		75.7			56.5
Work in process		31.9			24.7
Finished goods		111.7			104.4
		254.3			216.4
LIFO reserves		(77.7	)		(60.8	)
Inventories	$	176.6		$	155.6