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Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosures (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Net losses on foreign currency exposures $ 572 $ 6,116 $ 5,142 $ 9,448
Net realized and unrealized (gain) loss on forward contracts (excluding the underlying foreign currency exposure being hedged) $ (1,570) $ 7,684 $ 816 $ 12,897