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Discontinued Operations (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended			1 Months Ended	12 Months Ended
Discontinued Operations (Narrative) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Mar. 10, 2011 United Steel Products Business [Member]	Feb. 01, 2010 Processed Metal Products Business [Member]	Feb. 01, 2010 Processed Metal Products Business [Member]	Oct. 31, 2008 SCM Metal Products Business [Member]	Dec. 31, 2009 SCM Metal Products Business [Member]	Oct. 31, 2008 Maximum [Member] SCM Metal Products Business [Member]	Oct. 31, 2008 Minimum [Member] SCM Metal Products Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets sold	$ 67,529,000	$ 29,164,000		$ 59,029,000	$ 29,164,000
Recognized pre-tax gain (loss) from transaction	14,022,000	(30,225,000)	376,000	14,022,000		30,225,000
Purchase price payable by delivery of promissory note							8,500,000
Promissory note variable interest rate									12.00%	8.00%
Gain from purchase price adjustment								$ 376,000

Pretax gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

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