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Restructuring and Other Exit Activities,Textuals (Details) (USD $) In Millions			3 Months Ended		9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2011 Fabricated Products [Member]	Sep. 30, 2010 Fabricated Products [Member]	Sep. 30, 2011 Fabricated Products [Member]	Sep. 30, 2010 Fabricated Products [Member]
Restructuring and Other Exit Activities (Textuals) [Abstract]
Cash restructuring obligations	$ 0	$ 0.4
Restructuring benefits			$ 0.3	$ 0.4	$ 0.3	$ 0.9

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

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