Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended	0 Months Ended	1 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Mar. 10, 2011 United Steel Products Business [Member]	Feb. 01, 2010 Processed Metal Products Business [Member]	Jun. 30, 2010 Processed Metal Products Business [Member]
Net proceeds from sale of businesses			$ 59,029,000	$ 29,164,000	$ 59,029,000	$ 29,164,000
Recognized pre-tax gain from transaction	1,029,000	(238,000)	14,022,000	(30,875,000)	14,022,000
Discontinued operations working capital adjustments due to sale of business						936,000
Tax benefit from the transaction							11,424,000
After-tax loss from the transaction							$ 19,451,000

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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Gain (loss) after tax expense or benefit, 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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- Definition

Tax expense or benefit on the 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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