Note 14 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	$ 6,906	$ 5,816
Share-based Payment Arrangement, Option [Member]
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	(1,145)	93
Restricted stock units, including performance based awards
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	8,051	5,723
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	2,912	1,735
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	3,925	3,990
Research and development
Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expense	$ 69	$ 91