Note H - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Percent	26.60%	23.50%	24.90%
Accrual for Taxes Other than Income Taxes	$ 0	$ 4,300
Domestic Tax Authority [Member]
Operating Loss Carryforwards	800
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | PHILLY SWIRL [Member]
Operating Loss Carryforwards	2,200
Operating Loss Carryforwards, Subject to Limitation and Expiration	400
Operating Loss Carryforwards, Valuation Allowance	0
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Subject to Limitation and Expiration	$ 500