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. 01, 2022	Jan. 02, 2021
Net earnings	$ 23,129	$ 8,143
Basic weighted average shares outstanding (in shares)	19,411	19,309
Dilutive effect of stock-based compensation (in shares)	225	125
Diluted weighted average shares outstanding (in shares)	19,636	19,434
Basic (in dollars per share)	$ 1.19	$ 0.42
Diluted (in dollars per share)	$ 1.18	$ 0.42