Note 3 - Business Combinations - Restructuring Activity (Details) - USD ($)	3 Months Ended	9 Months Ended
Jun. 27, 2026	Mar. 28, 2026	Dec. 27, 2025	Jun. 28, 2025	Mar. 29, 2025	Dec. 28, 2024	Jun. 27, 2026	Jun. 28, 2025
Restructuring charges, net	$ 0			$ 843,000			$ 51,000	$ 2,201,000
Engineered Wire Products, Inc. [Member]
Beginning balance, liability	0	$ 27,000	$ 24,000	93,000	$ 129,000	$ 0	24,000	0
Restructuring charges, net	0	0	51,000	781,000	444,000	674,000
Cash payments	0	(27,000)	(48,000)	(315,000)	(263,000)	(275,000)
Non-cash charges	0	0	0	(408,000)	(217,000)	(270,000)
Ending balance, liability	0	0	27,000	151,000	93,000	129,000	0	151,000
O'Brien Wire Products of Texas [Member]
Beginning balance, liability	0	49,000	49,000	35,000	11,000	0	49,000	0
Restructuring charges, net	0	0	0	62,000	218,000	22,000
Cash payments	0	(49,000)	0	(73,000)	(91,000)	(8,000)
Non-cash charges	0	0	0	0	(103,000)	(3,000)
Ending balance, liability	0	0	49,000	24,000	35,000	11,000	0	24,000
Employee Severance [Member] \| Engineered Wire Products, Inc. [Member]
Beginning balance, liability	0	0	0	10,000	54,000	0	0	0
Restructuring charges, net	0	0	0	0	59,000	192,000
Cash payments	0	0	0	0	(103,000)	(138,000)
Non-cash charges	0	0	0	0	0	0
Ending balance, liability	0	0	0	10,000	10,000	54,000	0	10,000
Equipment Relocation [Member] \| Engineered Wire Products, Inc. [Member]
Beginning balance, liability	0	0	0	28,000	0	0	0	0
Restructuring charges, net	0	0	48,000	268,000	45,000	0
Cash payments	0	0	(48,000)	(222,000)	(17,000)	0
Non-cash charges	0	0	0	0	0	0
Ending balance, liability	0	0	0	74,000	28,000	0	0	74,000
Equipment Relocation [Member] \| O'Brien Wire Products of Texas [Member]
Beginning balance, liability	0	0	0	22,000	0	0	0	0
Restructuring charges, net	0	0	0	(1,000)	33,000	0
Cash payments	0	0	0	(21,000)	(11,000)	0
Non-cash charges	0	0	0	0	0	0
Ending balance, liability	0	0	0	0	22,000	0	0	0
Facility Closing [Member] \| Engineered Wire Products, Inc. [Member]
Beginning balance, liability	0	27,000	24,000	55,000	75,000	0	24,000	0
Restructuring charges, net	0	0	3,000	105,000	123,000	212,000
Cash payments	0	(27,000)	0	(93,000)	(143,000)	(137,000)
Non-cash charges	0	0	0	0	0	0
Ending balance, liability	0	0	27,000	67,000	55,000	75,000	0	67,000
Facility Closing [Member] \| O'Brien Wire Products of Texas [Member]
Beginning balance, liability	0	49,000	49,000	13,000	11,000	0	49,000	0
Restructuring charges, net	0	0	0	63,000	82,000	19,000
Cash payments	0	(49,000)	0	(52,000)	(80,000)	(8,000)
Non-cash charges	0	0	0	0	0	0
Ending balance, liability	0	0	49,000	24,000	13,000	11,000	0	24,000
Asset Impairments [Member] \| Engineered Wire Products, Inc. [Member]
Beginning balance, liability	0	0	0	0	0	0	0	0
Restructuring charges, net	0	0	0	408,000	217,000	270,000
Cash payments	0	0	0	0	0	0
Non-cash charges	0	0	0	(408,000)	(217,000)	(270,000)
Ending balance, liability	0	0	0	0	0	0	0	0
Asset Impairments [Member] \| O'Brien Wire Products of Texas [Member]
Beginning balance, liability	0	0	0	0	0	0	0	0
Restructuring charges, net	0	0	0	0	103,000	3,000
Cash payments	0	0	0	0	0	0
Non-cash charges	0	0	0	0	(103,000)	(3,000)
Ending balance, liability	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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