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Note 14 - Financial Instruments and Fair Value Measurements (Details) - Rock Ohio Ventures [Member] - USD ($) $ in Millions | Jan. 25, 2015 | Dec. 28, 2014 | Sep. 28, 2014
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Note 14 - Financial Instruments and Fair Value Measurements (Details) [Line Items] |  |  |
Cost Method Investments, Fair Value Disclosure |  | $ 0.8 | $ 0.0
Payments for (Proceeds from) Investments | $ (0.8) |  |

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- Definition The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3095-108585 + Details
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