Income Taxes (Schedule Of Reconciliation Of Beginning And Ending Amounts Of Unrecognized Income Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Income Tax Expense (Benefit) [Abstract]
Balance at beginning	$ 7,360	$ 5,944
Gross increases for tax positions of prior years	243	191
Gross increases for tax positions of the current year		1,225
Balance at ending	$ 7,603	$ 7,360