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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
	Dec. 29, 2018	Dec. 30, 2017
Net earnings	$ 4,126	$ 8,111
Basic weighted average shares outstanding (in shares)	19,223	19,041
Dilutive effect of stock-based compensation (in shares)	113	183
Diluted weighted average shares outstanding (in shares)	19,336	19,224
Net earnings per share:
Basic (in dollars per share)	$ 0.21	$ 0.43
Diluted (in dollars per share)	$ 0.21	$ 0.42

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