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Note 5 - Business Combinations and Restructuring (Details Textual) - USD ($)			11 Months Ended	12 Months Ended
	Nov. 26, 2024	Oct. 21, 2024	Sep. 27, 2025	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023	Mar. 29, 2025
Asset Impairment Charges				$ 1,001,000	$ 0	$ 0
Business Combination, Acquisition-Related Cost, Expense				325,000	$ 61,000	$ 0
Warren Facility [Member] | Discontinued Operations, Held-for-Sale [Member]
Asset Impairment Charges				500,000
Engineered Wire Products, Inc. [Member]
Business Combination, Consideration Transferred		$ 67,030,000
Business Combination, Holdback Liability, Current		$ 1,500,000					$ 700,000
Business Combination, Holdback Adjustment			$ (800,000)
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment				(1,300,000)
Goodwill, Measurement Period Adjustment				1,300,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				59,300,000
Restructuring Reserve, Current			24,000	24,000
Restructuring and Related Cost, Expected Cost Remaining			100,000	100,000
Business Combination, Acquisition-Related Cost, Expense				279,000
Engineered Wire Products, Inc. [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		20 years
Engineered Wire Products, Inc. [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		4 years
Engineered Wire Products, Inc. [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		1 year
Engineered Wire Products, Inc. [Member] | Patents [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		7 years
O'Brien Wire Products of Texas [Member]
Business Combination, Consideration Transferred	$ 5,116,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment				(900,000)
Goodwill, Measurement Period Adjustment				900,000
Restructuring Reserve, Current			49,000	49,000
Restructuring and Related Cost, Expected Cost Remaining			$ 100,000	100,000
Business Combination, Acquisition-Related Cost, Expense				$ 46,000
O'Brien Wire Products of Texas [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	20 years
O'Brien Wire Products of Texas [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	5 years

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- Definition

Adjustments made to the holdback payment after the acquisition date.

+ References

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of acquiree's revenue since acquisition date of business combination included in consolidated statement of income.

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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to property, plant, and equipment acquired in connection with a business combination for which the initial accounting was incomplete.

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Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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