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Note 13 - Business Segment Information (Tables) | 12 Months Ended
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Sep. 30, 2017
Notes Tables |
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
|  | Year Ended |
|  | September 30, |  |  | October 1, |  |  | October 3, |
(In thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 387,199 |  |  | $ | 416,391 |  |  | $ | 444,475 |
Foreign |  |  | 1,672 |  |  |  | 2,156 |  |  |  | 3,029 |
Total |  | $ | 388,871 |  |  | $ | 418,547 |  |  | $ | 447,504 |
Long-lived assets: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 122,574 |  |  | $ | 112,130 |  |  | $ | 108,557 |
Foreign |  |  | - |  |  |  | - |  |  |  | - |
Total |  | $ | 122,574 |  |  | $ | 112,130 |  |  | $ | 108,557 |
Revenue from External Customers by Products and Services [Table Text Block] |
|  | Year Ended |
|  | September 30, |  |  | October 1, |  |  | October 3, |
(In thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |
Welded wire reinforcement |  | $ | 239,522 |  |  | $ | 256,801 |  |  | $ | 255,219 |
Prestressed concrete strand |  |  | 149,349 |  |  |  | 161,746 |  |  |  | 192,285 |
Total |  | $ | 388,871 |  |  | $ | 418,547 |  |  | $ | 447,504 |

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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