Note 4 - Revenue Recognition - Disaggregation of Net Sales by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 28, 2024	Dec. 30, 2023
Revenue	$ 129,720	$ 121,725
Welded Wire Reinforcement [Member]
Revenue	82,454	68,802
Prestressed Concrete Strand [Member]
Revenue	$ 47,266	$ 52,923

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details