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	6 Months Ended
Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Net earnings	$ 7,152	$ 2,544	$ 13,860	$ 6,694
Basic weighted average shares outstanding (in shares)	18,678	18,404	18,601	18,391
Dilutive effect of stock-based compensation (in shares)	337	418	348	430
Diluted weighted average shares outstanding (in shares)	19,015	18,822	18,949	18,821
Basic (in dollars per share)	$ 0.38	$ 0.14	$ 0.75	$ 0.36
Diluted (in dollars per share)	$ 0.38	$ 0.14	$ 0.73	$ 0.36

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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