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Derivative Financial Instruments (Gains And Losses On Foreign Currency Forwards Included In Other Income Or Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Mar. 30, 2013
Mar. 31, 2012
Derivative Instruments and Hedges, Assets [Abstract]        
Net gain (loss) $ 4,979 $ 811 $ 5,901 $ (571)