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
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Net earnings	$ 19,009	$ 5,598	$ 36,266
Basic weighted average shares outstanding (in shares)	19,278	19,243	19,079
Dilutive effect of stock-based compensation (in shares)	105	97	198
Diluted weighted average shares outstanding (in shares)	19,383	19,340	19,277
Basic (in dollars per share)	$ 0.99	$ 0.29	$ 1.90
Diluted (in dollars per share)	$ 0.98	$ 0.29	$ 1.88