Derivative Financial Instruments (Notional Amounts Of Outstanding Forward Contracts) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Sep. 30, 2012
Notional amounts of outstanding forward contracts	$ 122,291	$ 133,903
Canadian/U.S. Dollar [Member]
Notional amounts of outstanding forward contracts	47,030	54,133
Euro/U.S. Dollar [Member]
Notional amounts of outstanding forward contracts	40,990	53,716
Chinese Renminbi/U.S. Dollar [Member]
Notional amounts of outstanding forward contracts	4,720	3,666
Japanese Yen/U.S. Dollar [Member]
Notional amounts of outstanding forward contracts	12,689	13,415
Euro/Swiss Franc [Member]
Notional amounts of outstanding forward contracts	4,144	272
British Pound/U.S. Dollar [Member]
Notional amounts of outstanding forward contracts	4,238	588
All Other [Member]
Notional amounts of outstanding forward contracts	$ 8,480	$ 8,113