Note O - Accumulated Other Comprehensive Loss - Changes to the Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Balance	$ 863,169	$ 845,654	$ 809,498
Other comprehensive income (loss)	3,547	(330)	2,204
Balance	911,518	863,169	845,654
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(13,713)	(13,383)
Other comprehensive income (loss)	3,547	(330)
Balance	$ (10,166)	$ (13,713)	$ (13,383)