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Fair Value Measurements (Schedule Of The Location And Amount Of Income Or Loss Recognized For Changes In Fair Value Of Financial Instruments) (Details) (Other (Income) Expense, Net [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 28, 2012
Sep. 30, 2011
Oct. 01, 2010
Rabbi Trust Assets [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Changes in fair value $ (1,153) $ 382 $ (730)
Foreign Currency Forward Contracts [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Changes in fair value $ 306 $ (361) $ 565