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						9 Months Ended
	Jul. 03, 2021	Apr. 03, 2021	Jan. 02, 2021	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Jul. 03, 2021	Jun. 27, 2020
Net earnings	$ 18,395	$ 14,920	$ 8,143	$ 6,664	$ 4,364	$ 555	$ 41,458	$ 11,583
Basic weighted average shares outstanding (in shares)	19,352			19,283			19,330	19,272
Dilutive effect of stock-based compensation (in shares)	221			94			178	106
Diluted weighted average shares outstanding (in shares)	19,573			19,377			19,508	19,378
Basic (in dollars per share)	$ 0.95			$ 0.35			$ 2.14	$ 0.60
Diluted (in dollars per share)	$ 0.94			$ 0.34			$ 2.13	$ 0.60