Note 8 Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017	Sep. 29, 2018
Income Tax Disclosure Table [Line Items]
Provision for income taxes	$ 17,120	$ 25,013	$ 183,119	$ 34,996
Effective Income Tax Rate	41.00%	44.00%	347.00%	31.00%
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%