Description Of Business And Significant Accounting Policies (Schedule Of Cash And Cash Equivalents) (Details) - USD ($) $ in Thousands	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash	$ 179,339	$ 150,512
Cash Equivalents, at Carrying Value	177,767	196,079
Cash and cash equivalents	$ 357,106	$ 346,591	$ 341,865	$ 297,619