Quarterly Operating Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

Summarized historical quarterly financial data for 2012 and 2011 are set forth below (in millions, except per share data):

	First Quarter		Second Quarter		Third Quarter			Fourth Quarter
2012
Net sales	$	1,432.5	$	1,478.1	$	1,500.6		$	1,603.1
Gross profit	144.5		173.5		163.0			133.2
Net income (loss) attributable to Company common shareholders	22.7		18.8		(20.6		)	(17.2		)
Net income (loss) attributable to Company common shareholders — for diluted EPS computation	22.8		18.9		(20.5		)	(17.2		)
Earnings (loss) per common share — basic	$	0.46	$	0.38	$	(0.41	)	$	(0.35	)
Earnings (loss) per common share — assuming dilution	$	0.45	$	0.37	$	(0.41	)	$	(0.35	)
2011
Net sales	$	1,447.6	$	1,532.2	$	1,517.8		$	1,369.1
Gross profit	163.0		170.3		151.7			122.7
Net income (loss) attributable to Company common shareholders	34.0		33.2		(2.1		)	0.6
Net income (loss) attributable to Company common shareholders — for diluted EPS computation	34.1		33.3		(2.0		)	0.6
Earnings (loss) per common share — basic	$	0.65	$	0.64	$	(0.04	)	$	0.01
Earnings (loss) per common share — assuming dilution	$	0.63	$	0.61	$	(0.04	)	$	0.01

Quarterly results have been impacted by changes in volume, copper and aluminum prices as well as seasonal factors inherent in the Company's businesses.