Note 6 Leases (Detail) $ in Thousands	3 Months Ended
	Dec. 28, 2019 USD ($)
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Right Of Use Asset, Accumulated Amortization	$ 4,000
Operating Lease, Liability	$ 60,481
Operating Lease, Weighted Average Remaining Lease Term	7 years 1 month 9 days
Operating Lease, Weighted Average Discount Rate, Percent	3.13%
Other Assets [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Right-of-Use Asset	$ 60,130	[1]
Accrued Liabilities [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Liability, Current	17,284
Other Noncurrent Liabilities [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Liability, Noncurrent	43,197
Liabilities, Total [Member]
Asset and Liabilities, Lessee [Line Items]
Operating Lease, Liability	$ 60,481

[1] Net of accumulated amortization of $4 million.