Note 5 Leases (Detail) - USD ($) $ in Thousands		Jul. 03, 2021	Oct. 03, 2020
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Right Of Use Asset, Accumulated Amortization		$ 22,000	$ 16,000
Operating Lease, Liability		$ 57,044
Operating Lease, Weighted Average Remaining Lease Term		6 years 6 months 3 days	6 years 10 months 17 days
Operating Lease, Weighted Average Discount Rate, Percent		2.80%	3.10%
Other Assets [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Right-of-Use Asset	[1]	$ 54,881	$ 52,552
Accrued Liabilities [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Liability, Current		17,344	16,659
Other Noncurrent Liabilities [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Liability, Noncurrent		39,700	37,015
Liabilities, Total [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Liability		$ 57,044	$ 53,674

[1] Net of accumulated amortization of $22 million and $16 million as of July 3, 2021 and October 3, 2020, respectively.