Note 12 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 9,761	$ 7,289	$ 28,698	$ 26,908
Stock options
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	1,362	362	5,105	1,292
Restricted stock units, including performance based awards
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	8,399	6,927	23,593	25,616
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	2,055	1,879	6,354	6,778
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	7,490	5,276	22,042	19,492
Research and development
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 216	$ 134	$ 302	$ 638