Note 4 - Calculation of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Net Earnings available to common stockholders	$ 17,526	$ 36,249
Weighted average number of shares outstanding, basic (in shares)	18,765	18,666
Earnings per share, basic (in dollars per share)	$ 0.93	$ 1.94
Options
Options (in shares)	132	112
Options (in dollars per share)		$ (0.01)
Net Earnings available to common stockholders plus assumed conversions	$ 17,526	$ 36,249
Weighted average number of shares outstanding, diluted (in shares)	18,897	18,778
Earnings per share, diluted (in dollars per share)	$ 0.93	$ 1.93