Note 10 - 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						9 Months Ended
	Jul. 01, 2023	Apr. 01, 2023	Dec. 31, 2022	Jul. 02, 2022	Apr. 02, 2022	Jan. 01, 2022	Jul. 01, 2023	Jul. 02, 2022
Net earnings	$ 10,565	$ 5,101	$ 11,123	$ 38,559	$ 39,017	$ 23,129	$ 26,789	$ 100,705
Basic weighted average shares outstanding (in shares)	19,488			19,537			19,506	19,503
Dilutive effect of stock-based compensation (in shares)	60			120			59	126
Diluted weighted average shares outstanding (in shares)	19,548			19,657			19,565	19,629
Basic (in dollars per share)	$ 0.54			$ 1.97			$ 1.37	$ 5.16
Diluted (in dollars per share)	$ 0.54			$ 1.96			$ 1.37	$ 5.13