Note 14 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	$ 7,783	$ 6,626	$ 14,689	$ 12,442
Share-based Payment Arrangement, Option [Member]
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	0	6	(1,145)	99
Restricted stock units, including performance based awards
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	7,783	6,620	15,834	12,343
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	2,582	2,582	5,494	4,317
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	5,127	3,939	9,052	7,929
Research and development
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	$ 74	$ 105	$ 143	$ 196