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Note 7 - Goodwill (Details) - Goodwill by Reportable Segment (USD $) In Thousands, unless otherwise specified	12 Months Ended		12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012 Flat Products [Member] Southern Region [Member]	Dec. 31, 2013 Flat Products [Member]	Dec. 31, 2012 Flat Products [Member]	Dec. 31, 2011 Flat Products [Member]	Dec. 31, 2012 Tubular and Pipe Products [Member] CTI [Member]	Dec. 31, 2013 Tubular and Pipe Products [Member]	Dec. 31, 2012 Tubular and Pipe Products [Member]	Dec. 31, 2011 Tubular and Pipe Products [Member]	Dec. 31, 2012 Southern Region [Member]	Dec. 31, 2012 CTI [Member]
Goodwill [Line Items]
Balance	$ 47,254	$ 40,787		$ 500	$ 500	$ 7,083		$ 40,287	$ 40,287	$ 40,171
Acquisitions							116					116
Impairments	6,583		(6,583)								(6,583)
Balance	$ 40,787	$ 40,787		$ 500	$ 500	$ 7,083		$ 40,287	$ 40,287	$ 40,171

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



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-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266



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-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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