Note 14 - Accumulated Other Comprehensive Income (Loss) - Changes to the Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 25, 2023	Mar. 26, 2022	Mar. 25, 2023	Mar. 26, 2022
Balance	$ 859,736	$ 845,998	$ 863,169	$ 845,654
Other comprehensive income (loss)	1,068	546	1,939	102
Balance	858,287	849,981	858,287	849,981
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(12,842)	(13,827)	(13,713)	(13,383)
Other comprehensive income (loss)	1,068	546	1,939	102
Balance	$ (11,774)	$ (13,281)	$ (11,774)	$ (13,281)