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Note 11 - Employee Benefit Plans (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Oct. 03, 2015 | Sep. 27, 2014 | Sep. 28, 2013
Retirement Savings Plan [Member] | First 1% of Defined Contribution Plan [Member] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00% | 100.00% | 100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 1.00% | 1.00% | 1.00%
Retirement Savings Plan [Member] | Second 5% of Defined Contribution Plan [Member] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00% | 50.00% | 50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 5.00% | 5.00% | 5.00%
Supplemental Employee Retirement Plan [Member] | SERPs Supported by Life Insurance Policies [Member] |  |  |
Defined Benefit Plan, Benefits Paid | $ 25,000 | $ 25,000 | $ 28,000
Supplemental Employee Retirement Plan [Member] | Minimum [Member] |  |  |
Defined Benefit Plan Employment Term | 30 years |  |
Supplemental Employee Retirement Plan [Member] |  |  |
Defined Benefit Plan, Future Amortization of Gain (Loss) | $ 85,000 |  |
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, Benefits Paid | $ 290,000 | 290,000 | 245,000
Postemployment Benefits, Period Expense | $ 23,000 | 16,000 | 15,000
Reduced SERP [Member] | Minimum [Member] |  |  |
Defined Benefit Plan Employment Term | 10 years |  |
Reduced SERP [Member] |  |  |
Defined Benefit Plan Retirement Age | 65 years |  |
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 | $ 6,300,000 | $ 4,600,000 | $ 3,600,000
Healthcare Coverage Claims in Excess of | $ 175,000 |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match |  | 75.00% |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 75.00% |  | 75.00%
Pension Contributions | $ 234,000 | $ 240,000 | $ 307,000
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year | 246,000 |  |
Defined Benefit Plan, Future Amortization of Gain (Loss) | 69,000 |  |
Defined Contribution Plan, Cost Recognized | $ 967,000 | $ 862,000 | $ 758,000

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- Definition The amount of time that a Participant must remain in continuous service with the Company to be eligible for supplemental retirement benefits. + References No definition available. + Details
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- Definition The number of consecutive years used to determine a Participants highest 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 Participants highest average base salary that will be matched and payed 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 minimum age that an employee may retire at to receive full benefits. + References No definition available. + Details
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- Definition Represents the amount at which stop-loss insurance covers the remainder of the claim. + 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=58740216&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=58740216&loc=d3e1928-114920 + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. + References No definition available. + Details
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- Definition Target allocation 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 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + 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 (g) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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