Note 11 - Earnings Per Share - Basic and Diluted Earnings Per Share Attributable to Common Shareholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Net earnings	$ 8,143	$ 555
Basic weighted average shares outstanding (in shares)	19,309	19,261
Dilutive effect of stock-based compensation (in shares)	125	109
Diluted weighted average shares outstanding (in shares)	19,434	19,370
Basic (in dollars per share)	$ 0.42	$ 0.03
Diluted (in dollars per share)	$ 0.42	$ 0.03