Note 13 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	$ 7,354	$ 8,136	$ 22,043	$ 20,578
Share-based Payment Arrangement, Option [Member]
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	0	602	(1,145)	701
Restricted stock units, including performance based awards
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	7,354	7,534	23,188	19,877
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	2,772	2,729	8,266	7,046
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	4,496	5,328	13,548	13,257
Research and development
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	$ 86	$ 79	$ 229	$ 275