Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Discontinued Operations (Textual) [Abstract]
Income (loss) from discontinued operations, net of tax	$ 0.1	$ (1.1)	$ 0	$ (1.0)
Legal Fees and Settlements for Discontinued Operations		0.4		1.1
Anticipated claims related to worker's compensation and product liability		(0.3)	0.2	0.6
Legal and environmental charges and settlements for discontinued operations	(0.2)		0.7
Environmental Charges for Discontinued Operations		0.4		0.4
Legal fee reimbursements received			0.8
Asset held for sale	0.5		0.5
Income due to a portion of a mutual release agreement			0.4
Grafton Facility [Member]
Discontinued Operations (Textual) [Abstract]
Operating costs for Grafton facility	$ 0.1		$ 0.3	$ 0.1