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Note I - Income Taxes (Details) - Effective Income Tax Rate Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 24, 2011
Effective Income Tax Rate Reconciliation [Abstract]
Income taxes at statutory rates	$ 35,277	$ 30,200	$ 29,423
Increase (decrease)in taxes resulting from:
State income taxes, net of federal income tax benefit	4,346	3,777	3,279
Domestic production activities deduction	(1,540)	(1,553)	(1,500)
Gain on bargain purchase			(2,303)
Reduction of gross unrecognized tax benefits	(346)	(307)	(310)
Other, net	(1,328)	51	414
	$ 36,409	$ 32,168	$ 29,003

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

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Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.

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