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Discontinued Operations (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended	0 Months Ended
	Oct. 31, 2008	Dec. 31, 2011	Mar. 10, 2011 United Steel Products Business [Member]	Feb. 01, 2010 Processed Metal Products [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]
Cash proceeds from stock sold		$ 67,529,000	$ 59,029,000	$ 29,164,000
Recognized pre-tax gain (loss) from transaction		14,022,000	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%

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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