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Note 10 - Employee Benefit Plans - Plan Valuation Assumptions (Details) - Pension Plan [Member] | Sep. 29, 2018 | Sep. 30, 2017 | Oct. 01, 2016
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Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 4.00% | 3.75% | 3.75%
Rate of increase in compensation levels | 3.00% | 3.00% | 3.00%

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Details
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