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Note I - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	24.50%	35.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		$ (20,700,000)
Income Tax Expense (Benefit), Continuing Operations, Changed in Tax Rate, Tax Cut and Jobs Act		(8,800,000)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount		$ 1,200,000	$ 0
Effective Income Tax Rate Reconciliation, Percent, Total	25.80%	27.70%
Effective Income Tax Rate Reconciliation, Changed in Prior Tax for Repatriation of Foreign Earnings, Amount	$ (885,000)
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Total		$ 315,000
New Jersey Division of Taxation [Member] | State and Local Jurisdiction [Member]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		1,400,000
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | PHILLY SWIRL [Member]
Operating Loss Carryforwards, Total	$ 4,500,000	4,000,000
Operating Loss Carryforwards, Subject to Limitation and Expiration		378,000
Operating Loss Carryforwards, Valuation Allowance, Total		$ 0

X

- 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 income tax expense (benefit) from continuing operations attributable to changed in tax rate by the Tax Cut and Jobs Act.

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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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