The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Note 11 - Segment Information (Details) - Segment Reporting Information by Capital Expenditure (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Capital expenditures
Capital expenditures	$ 2,783	$ 2,065	$ 5,124	$ 3,779
Flat Products [Member]
Capital expenditures
Capital expenditures	2,214	717	3,230	1,396
Tubular and Pipe Products [Member]
Capital expenditures
Capital expenditures	552	1,348	1,873	2,383
Corporate Segment [Member]
Capital expenditures
Capital expenditures	$ 17		$ 21