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Note I - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 29, 2018
Income taxes at federal statutory rates	$ 4,508,000	$ 26,581,000	$ 28,947,000
State income taxes, net of federal income tax benefit	(1,285,000)	6,664,000	7,212,000
Domestic production activities deduction	0	0	(1,470,000)
Impact of rate change due to Tax Cuts and Jobs Act	0	0	(20,670,000)
Impact of rate differential-current and deferred	0	0	(1,236,000)
One-time repatriation tax	0		1,200,000
One-time repatriation tax, reversal		(885,000)
Increase in gross unrecognized tax benefits	0	20,000	20,000
Share based compensation	(183,000)	(777,000)	(696,000)
Non deductible employee compensation	0	490,000	514,000
Other, net	121,000	(335,000)	735,000
Total expense	$ 3,161,000	$ 31,758,000	$ 14,556,000

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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 rate differential current and deferred.

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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 share-based compensation benefit.

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