Note 12 Share-Based Compensation Arrangements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 4,757	$ 4,342	$ 9,032	$ 9,008
Stock options
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	2,886	2,757	5,358	5,374
Restricted stock units
Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	1,871	1,585	3,674	3,634
Cost of sales
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,364	1,291	2,565	2,631
Selling, general and administrative
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	3,382	3,004	6,454	6,299
Research and development
Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 11	$ 47	$ 13	$ 78