ACQUISITION (Tables)

12 Months Ended

Dec. 31, 2011

ACQUISITION [Abstract]

Summary of the final allocation of purchase price to SunBelt's assets and liabilities

The following table summarizes the final allocation of the purchase price to SunBelt's assets and liabilities:

	February 28, 2011
	($ in millions)
Total current assets	$	37.6
Property, plant and equipment		87.4
Deferred income taxes		0.4
Other assets		5.8
Total assets acquired		131.2
Total current liabilities		42.7
Long-term debt		75.1
Other liabilities		27.6
Total liabilities assumed		145.4
Less:  Investment in SunBelt		(0.8	)
Net liabilities assumed		(13.4	)
Liabilities for uncertainties		48.3
Gain on remeasurement of investment in SunBelt		(181.4	)
Goodwill		327.1
Fair value of assets acquired	$	180.6

Pro forma summary

The following pro forma summary presents the condensed statements of income as if the acquisition of SunBelt had occurred on January 1, 2009 (unaudited).

	Years Ended December 31,
	2011		2010		2009
	($ in millions, except per share data)
Sales	$	1,987.4	$	1,743.2	$	1,698.9
Net income		140.6		80.4		154.7
Net income per common share:
Basic	$	1.76	$	1.02	$	1.98
Diluted	$	1.74	$	1.01	$	1.98