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Note 5 - Business Combinations - Restructuring Activity (Details) - USD ($)	5 Months Ended	12 Months Ended
	Feb. 27, 2025	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Restructuring charges, net		$ 2,304,000	$ 0	$ 0
Engineered Wire Products, Inc. [Member]
Restructuring charges, net	$ 1,978,000
Cash payments		(1,059,000)
Non-cash charges		(895,000)
Liability		24,000
Engineered Wire Products, Inc. [Member] \| Employee Severance [Member]
Restructuring charges, net		251,000
Cash payments		(251,000)
Non-cash charges		0
Liability		0
Engineered Wire Products, Inc. [Member] \| Equipment Relocation [Member]
Restructuring charges, net		340,000
Cash payments		(340,000)
Non-cash charges		0
Liability		0
Engineered Wire Products, Inc. [Member] \| Facility Closing [Member]
Restructuring charges, net		492,000
Cash payments		(468,000)
Non-cash charges		0
Liability		24,000
Engineered Wire Products, Inc. [Member] \| Asset Impairments [Member]
Restructuring charges, net		895,000
Cash payments		0
Non-cash charges		(895,000)
Liability		0
O'Brien Wire Products of Texas [Member]
Restructuring charges, net		326,000
Cash payments		(171,000)
Non-cash charges		(106,000)
Liability		49,000
O'Brien Wire Products of Texas [Member] \| Equipment Relocation [Member]
Restructuring charges, net		31,000
Cash payments		(31,000)
Non-cash charges		0
Liability		0
O'Brien Wire Products of Texas [Member] \| Facility Closing [Member]
Restructuring charges, net		189,000
Cash payments		(140,000)
Non-cash charges		0
Liability		49,000
O'Brien Wire Products of Texas [Member] \| Asset Impairments [Member]
Restructuring charges, net		106,000
Cash payments		0
Non-cash charges		(106,000)
Liability		$ 0