Goodwill and Intangible Assets (Details 2) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2011
Expected amortization of intangible assets for the next five years
2011		$ 1.9
2012		2.0
2013		1.7
2014		1.6
2015		1.6
Total		8.8
Goodwill and Intangible Assets (Textuals) [Abstract]
Amortization expense related to defined-lived intangible assets recorded in Fabricated products Segment	$ 0.5	$ 1.1

Goodwill And Intangible Assets.

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Aggregate amount of intangible asset amortization recognized as expense during the period.

+ References

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The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization.

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The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

+ References

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The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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