Note 11 - Employee Benefit Plans (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 1.1	$ 0.9
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	6.00%	6.00%