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Discontinued Operations (Details) (USD $)	3 Months Ended		6 Months Ended
Discontinued Operations (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Discontinued Operations (Additional Textual) [Abstract]
Income (loss) from discontinued operations, net of tax	$ 600,000	$ 900,000	$ (100,000)	$ 100,000
Anticipated claims related to worker's compensation and product liability	100,000	1,200,000	(200,000)	900,000
Legal and environmental charges and settlements	300,000	300,000	900,000	700,000
Legal fee reimbursements received	400,000		800,000
Asset held for sale	500,000		500,000
Income due to a portion of a mutual release agreement	400,000
Grafton Facility [Member]
Discontinued Operations (Textual) [Abstract]
Operating costs for Grafton facility			$ 200,000	$ 100,000

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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