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Note 11 - Employee Benefit Plans (Details Textual) - USD ($) | 12 Months Ended | 36 Months Ended
--- | --- | ---
Oct. 01, 2016 | Oct. 03, 2015 | Sep. 27, 2014 | Oct. 01, 2016
Delaware Plan [Member] |  |  |  |
Defined Benefit Plan, Contributions by Employer | $ 1,900,000 | $ 234,000 | $ 240,000 |
Supplemental Employee Retirement Plan [Member] | Minimum [Member] |  |  |  |
Defined Benefit Plan Employment Term | 30 years |  |  |
Supplemental Employee Retirement Plan [Member] | SERPs Supported by Life Insurance Policies [Member] |  |  |  |
Defined Benefit Plan, Benefits Paid | $ 25,000 | 25,000 | 25,000 |
Supplemental Employee Retirement Plan [Member] |  |  |  |
Defined Benefit Plan, Contributions by Employer | $ 290,000 | 290,000 | 290,000 |
Supplemental Retirement Benefit Period | 15 years |  |  |
Defined Benefit Plan Percent of Highest Average Salary Base | 50.00% |  |  |
Defined Benefit Plan Number of Years in Average Annual Base Salary | 5 years |  |  |
Defined Benefit Plan Number of Years Preceding Retirement for Average Annual Base Salary Calculation | 10 years |  |  |
Defined Benefit Plan Retirement Age | 65 |  |  |
Postemployment Benefits, Period Expense | $ 26,000 | 23,000 | 16,000 |
Defined Benefit Plan, Benefits Paid | $ 290,000 | 290,000 | 290,000 |
Reduced SERP [Member] | Minimum [Member] |  |  |  |
Defined Benefit Plan Employment Term | 10 years |  |  |
Reduced SERP [Member] |  |  |  |
Defined Benefit Plan Retirement Age | 65 |  |  |
Defined Benefit Plan, Reduction for Each Month | 0.00278% |  |  | 0.00278%
Retirement Savings Plan [Member] | First 1% of Defined Contribution Plan [Member] |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match |  |  |  | 100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |  |  |  | 1.00%
Retirement Savings Plan [Member] | Second 5% of Defined Contribution Plan [Member] |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match |  |  |  | 50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |  |  |  | 5.00%
Equity Funds [Member] |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations | 60.00% |  |  |
Fixed Income Funds [Member] |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations | 40.00% |  |  |
VEBA [Member] |  |  |  |
Defined Contribution Plan, Cost Recognized | $ 5,400,000 | 6,300,000 | 4,600,000 |
Healthcare Coverage Claims in Excess of | 175,000 |  |  |
Defined Benefit Plan, Future Amortization of Gain (Loss) | 174,000 |  |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent |  |  |  | 75.00%
Defined Contribution Plan, Cost Recognized | $ 1,000,000 | $ 1,000,000 | $ 900,000 |

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- Definition The amount of time that a Participant must remain in continuous service with the Company to be eligible for full supplemental retirement benefits. + References No definition available. + Details
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- Definition The number of consecutive years used to determine a Participant's highest average annual base salary in a supplemental employee retirement plan. + References No definition available. + Details
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- Definition Defined benefit plan number of years preceding retirement for average annual base salary calculation + References No definition available. + Details
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- Definition The percentage of a Participant's highest average base salary that will be paid out to the Participant as supplemental retirement benefits if they meet the continuous service requirement. + References No definition available. + Details
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- Definition The benefit will be reduced by a certain percentage for each month short of 30 years that the Participant was employed by the Company assuming the minimum continuous service and age requirements. + References No definition available. + Details
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- Definition The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Benefits -URI http://asc.fasb.org/extlink&oid=49170737 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)(6) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Postretirement Benefits -URI http://asc.fasb.org/extlink&oid=6521376 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(5) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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