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Summary Of Significant Accounting Policies (Pretax Amounts Recognized In Accumulated Other Comprehensive Income On Currency Contracts) (Details) (Foreign Exchange Cash Flow Hedges [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Foreign Exchange Cash Flow Hedges [Member]
   
Derivative [Line Items]    
Beginning unrealized net loss in AOCI $ (365) $ (384)
Net loss reclassified into Revenue (effective portion) 162 1,005
Net loss reclassified into Revenue upon the removal of a hedge designation on an underlying foreign currency transaction that was cancelled   12
Net gain (loss) recognized in OCI (effective portion) (445) (998)
Ending unrealized net gain (loss) in AOCI $ (648) $ (365)