Note 11 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 8,485	$ 5,488	$ 12,537	$ 11,205
Stock options
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	1,243	3,035	2,483	6,238
Restricted stock units
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	7,242	2,453	10,054	4,967
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,932	1,491	3,337	3,067
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	6,422	3,959	8,988	8,062
Research and development
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 131	$ 38	$ 212	$ 76