Note 11 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 8,642	$ 11,977
Stock options
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	1,177	550
Restricted stock units, including performance based awards
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	7,465	11,427
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	2,448	2,864
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	6,164	8,840
Research and development
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 30	$ 273