Note 5 Leases (Detail) - USD ($) $ in Thousands	Jul. 02, 2022	Oct. 02, 2021
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 66,829	$ 68,012
Operating Lease, Liability, Current	15,784	17,219
Operating Lease, Liability, Noncurrent	38,053	38,587
Operating Lease, Liability	$ 53,837	$ 55,806
Operating Lease, Weighted Average Remaining Lease Term	14 years 4 months 28 days	14 years 5 months 15 days
Operating Lease, Weighted Average Discount Rate, Percent	2.53%	2.72%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other	Other
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other	Other
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Liabilities, Total [Member]	Liabilities, Total [Member]