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Note 14 - Contingencies (Details Textual) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 28, 2015 | Mar. 28, 2015 | Mar. 29, 2014
Insurance Recoveries |  | $ 1,900,000 us-gaap_InsuranceRecoveries | $ 1,300,000 us-gaap_InsuranceRecoveries
Cost of Sales [Member] |  |  |
Insurance Recoveries |  | 244,000 us-gaap_InsuranceRecoveries / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember | 1,100,000 us-gaap_InsuranceRecoveries / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember
Selling, General and Administrative Expenses [Member] |  |  |
Insurance Recoveries | $ 56,000 us-gaap_InsuranceRecoveries / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember | $ 69,000 us-gaap_InsuranceRecoveries / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember | $ 25,000 us-gaap_InsuranceRecoveries / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember

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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_InsuranceRecoveries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |