Note 15 - Business Segment Information - Net Sales And Long-lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Revenue	$ 590,601	$ 472,618	$ 455,713
UNITED STATES
Revenue	583,458	470,420	454,373
Non-US [Member]
Revenue	$ 7,143	$ 2,198	$ 1,340

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details