Describes the approximate term of the guarantee or each group of similar guarantees.

No definition available.

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- Definition

The amount of time elapsed between a change in control and termination of employment that will trigger an additional level of severance benefits.

+ References

No definition available.

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- Definition

Represents the amount of lease purchase option exercised.

+ References

No definition available.

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- Definition

Represents the approximate length of time for which the Company's non-cancelable purchase commitments extend.

+ References

No definition available.

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- Definition

Represents the ratio of severance benefits to base compensation that will be paid to certain individuals upon termination under certain specified circumstances.

+ References

No definition available.

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- Definition

Represents the ratio of severance benefits to the average bonus for the prior three years, that will be paid to certain individuals upon termination under certain specified circumstances.

+ References

No definition available.

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- Definition

Represents the period of time that health and welfare benefits will continue following termination, as severance benefits, for certain employees under specified circumstances.

+ References

No definition available.

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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.

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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

No definition available.

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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Note 11 - Commitments and Contingencies (Details Textual)	12 Months Ended
	Sep. 29, 2018 USD ($)	Sep. 30, 2017 USD ($)	Oct. 01, 2016 USD ($)	Oct. 02, 2017 USD ($)
Operating Leases, Rent Expense, Total	$ 1,500,000	$ 1,800,000	$ 1,800,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	1,000,000
Operating Leases, Future Minimum Payments, Due in Two Years	543,000
Operating Leases, Future Minimum Payments, Due in Three Years	185,000
Operating Leases, Future Minimum Payments, Due in Four Years	22,000
Operating Leases, Future Minimum Payments, Due Thereafter	$ 16,000
Change in Control Agreement [Member]
Guarantee Obligations Term	2 years
Change in Control Agreement Renewal [Member]
Guarantee Obligations Term	1 year
Chief Executive Officer and Chief Financial Officer [Member] \| Severance Agreement [Member]
Guarantee Obligations Term	2 years
Ratio of Severance Benefits to Base Compensation	1.5
Severance Benefits Continuation of Health and Welfare Benefits Term	1 year 180 days
Chief Executive Officer and Chief Financial Officer [Member] \| Severance Agreement Renewal [Member]
Guarantee Obligations Term	1 year
Chief Executive Officer and Chief Financial Officer [Member] \| Change in Control Agreement [Member]
Ratio of Severance Benefits to Base Compensation	2
Severance Benefits Continuation of Health and Welfare Benefits Term	2 years
Guarantor Obligations Triggering Event Term from Change in Control to Termination	2 years
Ratio of Severance Benefits to the Average Bonus for the Prior Three Years	2
Key Members of Management [Member] \| Change in Control Agreement [Member]
Ratio of Severance Benefits to Base Compensation	1
Severance Benefits Continuation of Health and Welfare Benefits Term	1 year
Ratio of Severance Benefits to the Average Bonus for the Prior Three Years	1
Non-cancelable Purchase Commitment for Raw Material [Member]
Purchase Commitment, Remaining Minimum Amount Committed	$ 75,100,000
Non-cancelable Purchase Commitment Term	100 days
Purchase Commitment for Equipment [Member]
Purchase Commitment, Remaining Minimum Amount Committed	$ 9,600,000
Leased Facility in Houston, Texas [Member]
Lease Purchase Option Exercised				$ 4,900,000
Fire [Member]
Insurance Recoveries	183,000
Insurance Settlements Receivable	462,000
Fire [Member] \| Cost of Sales [Member]
Insurance Recoveries	645,000
Storm [Member]
Insurance Recoveries	439,000
Insurance Settlements Receivable	52,000
Storm [Member] \| Cost of Sales [Member]
Insurance Recoveries	439,000
Storm [Member] \| Selling, General and Administrative Expenses [Member]
Insurance Recoveries	26,000
Storm [Member] \| Other Income [Member]
Insurance Recoveries	$ 26,000