Note 7 Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Sep. 29, 2018
Income Tax Disclosure Table [Line Items]
Provision for income taxes	$ 165,999	$ 9,983
Effective Income Tax Rate	1497.00%	18.00%
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
GILTI Tax Rate	10.50%
Provision for income taxes	$ 162,000
Adjustment of Deferred Tax (Asset) Liability	$ 176,000
Forecasted Rate [Member]
Income Tax Disclosure Table [Line Items]
Federal Statutory Income Tax Rate, Percent			24.50%
Maximum [Member]
Income Tax Disclosure Table [Line Items]
Federal Statutory Income Tax Rate, Percent	35.00%
Minimum [Member] | US Tax Cuts and Jobs Act (H.R. 1) [Member]
Income Tax Disclosure Table [Line Items]
Federal Statutory Income Tax Rate, Percent	21.00%