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
	Jun. 29, 2024	Mar. 30, 2024	Dec. 30, 2023	Jul. 01, 2023	Apr. 01, 2023	Dec. 31, 2022	Jun. 29, 2024	Jul. 01, 2023
Net earnings	$ 6,565	$ 6,939	$ 1,132	$ 10,565	$ 5,101	$ 11,123	$ 14,636	$ 26,789
Basic weighted average shares outstanding (in shares)	19,500			19,488			19,502	19,506
Dilutive effect of stock-based compensation (in shares)	68			60			77	59
Diluted weighted average shares outstanding (in shares)	19,568			19,548			19,579	19,565
Basic (in dollars per share)	$ 0.34			$ 0.54			$ 0.75	$ 1.37
Diluted (in dollars per share)	$ 0.34			$ 0.54			$ 0.75	$ 1.37