Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Income Statement [Abstract]
Net sales	$ 2,949.4	[1]	$ 2,840.9	[1]	$ 2,585.2	[1]
Cost of goods sold	2,227.1		2,171.0		1,884.0
Gross profit	722.3		669.9		701.2
Operating expenses:
Selling, general and administrative expenses	507.0		476.9		492.0
Losses and other expenses, net	2.5		5.7		3.4
Restructuring charges	4.2		12.5		11.4
Income from equity method investments	(10.5)		(9.6)		(10.1)
Operational income from continuing operations	219.1		184.4		204.5
Interest expense, net	17.1		16.8		12.8
Other expense, net	0.3		0.3		1.0
Income from continuing operations before income taxes	201.7		167.3		190.7
Provision for income taxes	66.7		55.8		64.8
Income from continuing operations	135.0		111.5		125.9
Discontinued operations:
Loss from discontinued operations	(64.9)		(36.7)		(15.1)
Benefit from income taxes	(19.9)		(13.5)		(5.4)
Loss from discontinued operations	(45.0)		(23.2)		(9.7)
Net income	$ 90.0		$ 88.3		$ 116.2
Earnings per share – Basic:
Income from continuing operations	$ 2.66		$ 2.12		$ 2.31
Loss from discontinued operations	$ (0.89)		$ (0.44)		$ (0.18)
Net income	$ 1.77		$ 1.68		$ 2.13
Earnings per share – Diluted:
Income from continuing operations	$ 2.63		$ 2.09		$ 2.26
Loss from discontinued operations	$ (0.88)		$ (0.44)		$ (0.18)
Net income	$ 1.75		$ 1.65		$ 2.08
Average shares outstanding:
Basic	50.7		52.5		54.6
Diluted	51.4		53.4		55.8
Cash dividends declared per share	$ 0.76		$ 0.72		$ 0.60

[1] On a consolidated basis, no revenues from transactions with a single customer were 10% or greater of our consolidated net sales for any of the periods presented.