Note 12 Share-Based Compensation Arrangements (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Share-based Compensation [Line Items]
Share-based Compensation	$ 18,789	$ 17,524	$ 17,999
Stock Options
Share-based Compensation [Line Items]
Share-based Compensation	9,820	10,506	10,084
Restricted stock units
Share-based Compensation [Line Items]
Share-based Compensation	8,969	7,018	7,915
Cost of Sales
Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	5,849	5,464	4,504
Selling, general & administrative
Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	12,861	11,942	13,363
Research & development
Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	$ 79	$ 118	$ 132