Note 11 Income Tax Disclosure (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 30, 2017	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Income Tax Disclosure Table [Line Items]
Federal tax at statutory tax rate		21.00%	24.50%	35.00%
Provision for income taxes		$ 104,104	$ 193,072	$ 74,647
Effective Income Tax Rate Reconciliation, Percent		42.38%	197.94%	34.95%
Deferred income taxes		$ 22,000
US Tax Cuts and Jobs Act (H.R. 1) [Member]
Income Tax Disclosure Table [Line Items]
Accumulated unremitted earnings tax rate for cash repatriation	15.50%
Accumulated unremitted earnings tax rate for non-liquid asset	8.00%
Repatriation of Foreign Earnings, Amount			$ 0
Tax Benefit from Territorial Tax Conversion			14,000
Provision for income taxes			161,000
Adjustment of Deferred Tax (Asset) Liability			$ 175,000
Maximum
Income Tax Disclosure Table [Line Items]
Federal tax at statutory tax rate	35.00%
Minimum | US Tax Cuts and Jobs Act (H.R. 1) [Member]
Income Tax Disclosure Table [Line Items]
Federal tax at statutory tax rate	21.00%