Note 11 Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 4,273	$ 4,238	$ 15,478	$ 13,270
Stock options
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	1,689	2,433	7,927	7,791
Restricted stock units
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	2,584	1,805	7,551	5,479
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,412	1,298	4,479	3,863
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	2,810	2,916	10,872	9,370
Research and development
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 51	$ 24	$ 127	$ 37