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Note 3 - Retirement and Other Benefit Plans - Actual and Target Allocation for Plan Assets (Details) | 12 Months Ended
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Oct. 28, 2016 | Oct. 30, 2015
Actual Asset Allocation | 100.00% | 100.00%
Target Asset Allocation | 100.00% | 100.00%
Large Cap Equities [Member] |  |
Actual Asset Allocation | 32.00% | 31.10%
Target Asset Allocation | 32.00% | 32.00%
Mid Cap Equities [Member] |  |
Actual Asset Allocation | 0.00% | 0.00%
Target Asset Allocation | 0.00% | 0.00%
SmallCapEquitiesMember |  |
Actual Asset Allocation | 12.10% | 13.30%
Target Asset Allocation | 12.00% | 12.00%
International Including Non US Fixed Income [Member] |  |
Actual Asset Allocation | 21.30% | 20.30%
Target Asset Allocation | 21.00% | 21.00%
Fixed Income [Member] |  |
Actual Asset Allocation | 30.70% | 30.80%
Target Asset Allocation | 31.00% | 31.00%
Other Government Corporate Bonds [Member] |  |
Actual Asset Allocation | 2.00% | 1.90%
Target Asset Allocation | 2.00% | 2.00%
Cash [Member] |  |
Actual Asset Allocation | 1.90% | 2.60%
Target Asset Allocation | 2.00% | 2.00%

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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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