Note 14 - Earnings Per Share - Basic and Diluted Earnings Per Share Attributable to Common Shareholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Oct. 02, 2021
Net earnings	$ 32,415	$ 125,011	$ 66,610
Basic weighted average shares outstanding (in shares)	19,504	19,517	19,344
Dilutive effect of stock-based compensation (in shares)	62	112	190
Diluted weighted average shares outstanding (in shares)	19,566	19,629	19,534
Basic (in dollars per share)	$ 1.66	$ 6.41	$ 3.44
Diluted (in dollars per share)	$ 1.66	$ 6.37	$ 3.41