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Note 3 - Retirement and Other Benefit Plans - Net Periodic Postretirement Healthcare Cost (Details) (USD $) | 12 Months Ended
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Oct. 31, 2014 | Nov. 01, 2013
Service cost | $ 135,000 us-gaap_DefinedBenefitPlanServiceCost | $ 174,000 us-gaap_DefinedBenefitPlanServiceCost
Interest cost | 2,226,000 us-gaap_DefinedBenefitPlanInterestCost | 2,019,000 us-gaap_DefinedBenefitPlanInterestCost
Net periodic postretirement healthcare (benefit) cost | 61,000 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | 1,208,000 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Postretirement Health Coverage [Member] |  |
Service cost | 18,000 us-gaap_DefinedBenefitPlanServiceCost / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember | 19,000 us-gaap_DefinedBenefitPlanServiceCost / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember
Interest cost | 37,000 us-gaap_DefinedBenefitPlanInterestCost / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember | 31,000 us-gaap_DefinedBenefitPlanInterestCost / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember
Amortization of actuarial gain | (65,000)us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember | (55,000)us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember
Net periodic postretirement healthcare (benefit) cost | $ (10,000)us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember | $ (5,000)us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DefinedBenefitPostretirementHealthCoverageMember

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- Definition The amount of gains or losses recognized in net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |