Note 18 Strategic Transactions (Details) - USD ($) $ in Thousands			12 Months Ended
	Oct. 03, 2022	Apr. 06, 2021	Sep. 30, 2023	Oct. 01, 2022	Oct. 02, 2021
Business Acquisition [Line Items]
Proceeds from sale of noncontrolling interest			$ 215,799	$ 0	$ 0
Noncontrolling interest			149,675	0
Cash and cash equivalents			667,570	529,857
Cash paid for business acquisition, net of cash acquired			0	0	(21,408)
Payment for Contingent Consideration Liability, Financing Activities			8,558	$ 0	$ 0
Common Stock And Additional Paid in Capital
Business Acquisition [Line Items]
APIC Sale of Noncontrolling Interest			78,169
FY21 Acquisition
Business Acquisition [Line Items]
Effective Date of Acquisition		Apr. 06, 2021
Consideration Transferred		$ 38,000
Payments to Acquire Businesses, Gross		29,000
Cash paid for business acquisition, net of cash acquired		(21,000)
Current Assets		18,696
Noncurrent Assets		30,711
Cash		8,100
Finite-Lived Intangibles		4,400
Goodwill		8,500
Current Liabilities		(10,671)
Noncurrent Liabilities		(152)
Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		$ 38,584
Payment for Contingent Consideration Liability, Financing Activities			9,000
Joint Venture with Reliance
Business Acquisition [Line Items]
Proceeds from sale of noncontrolling interest			216,000
Noncontrolling interest	$ 132,000
APIC Attributable to Parent from Joint Venture Transaction	$ 84,000
Cash and cash equivalents			186,000
Business Acquisition, Date of Acquisition Agreement	Oct. 03, 2022
APIC Sale of Noncontrolling Interest			$ 78,000
Joint Venture with Reliance | RSBVL
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	50.10%
Joint Venture with Reliance | Sanmina
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	49.90%