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Note H - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 28, 2019	Sep. 29, 2019
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Changed in Prior Tax for Repatriation of Foreign Earnings, Amount			$ (885,000)
Effective Income Tax Rate Reconciliation, Percent, Total	24.90%	25.00%	25.80%
Effective Income Tax Rate Reconciliation, State Deferred Taxes and Provision to Return Adjustment, Amount		$ 2,200,000
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Total				$ 315,000
Accrual for Taxes Other than Income Taxes	$ 9,000,000.0
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards, Total	2,209,000
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | PHILLY SWIRL [Member]
Operating Loss Carryforwards, Total	2,900,000
Operating Loss Carryforwards, Subject to Limitation and Expiration	378,000
Operating Loss Carryforwards, Valuation Allowance, Total	$ 0

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to change in prior year tax for repatriation of foreign earnings.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state deferred taxes and provision to return adjustment.

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Amount of operating loss carryforwards that are subject to limitation and expiration under Code Section 382.

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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