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Note 8 - Pension Plans: Note 8 Target Allocations (Details) | 12 Months Ended
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Jul. 27, 2013
Equity Securities |
DefinedBenefitPlanTargetPlanAssetAllocationsPercentageFixedIncomeSecuritiesRangeMinimum | 50.00%
DefinedBenefitPlanTargetPlanAssetAllocationsPercentageFixedIncomeSecuritiesRangeMaximum | 70.00%
Fixed Income Funds |
DefinedBenefitPlanTargetPlanAssetAllocationsPercentageFixedIncomeSecuritiesRangeMinimum | 25.00%
DefinedBenefitPlanTargetPlanAssetAllocationsPercentageFixedIncomeSecuritiesRangeMaximum | 40.00%
Cash and Cash Equivalents |
DefinedBenefitPlanTargetPlanAssetAllocationsPercentageFixedIncomeSecuritiesRangeMinimum | 0.00%
DefinedBenefitPlanTargetPlanAssetAllocationsPercentageFixedIncomeSecuritiesRangeMaximum | 10.00%

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- Definition Target allocation maximum percentage 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 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&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 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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- Definition Target allocation minimum percentage 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 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&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 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
Name: | us-gaap_DefinedBenefitPlanTargetPlanAssetAllocationsRangeMinimum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration