Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Discontinued Operations (Textual) [Abstract]
(Loss) income from discontinued operations, net of tax	$ (0.5)	$ (1.9)	$ 1.8
Curtailment gain from terminating post-retirement benefits			6.6
Legal Fees and Settlements for Discontinued Operations			1.8
Legal and environmental charges and settlements for discontinued operations	0.9	2.0
Increase (decrease) in anticipated workers compensation and product liability charges	0.8	(0.3)
Legal fee reimbursements received	0.8
Income due to a portion of a mutual release agreement	0.4
Gain (Loss) on Sale of Property Plant Equipment	(0.2)	(2.5)	0.6
Cash paid for taxes	0.7	(0.5)	0.2
Grafton Facility [Member]
Discontinued Operations (Textual) [Abstract]
Operating costs for Grafton facility	0.4	0.2	0.4
(Loss) income from discontinued operations, net of tax			1.4
Environmental Charges for Discontinued Operations			1.0
Gain (Loss) on Sale of Property Plant Equipment	(0.4)
Proceeds from Sale of Property, Plant, and Equipment	0.9
Cash paid for taxes			$ 1.6