Derivative Financial Instruments (Notional Amounts Of Outstanding Forward Contracts) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Sep. 30, 2012
Notional amounts of outstanding forward contracts	$ 127,566	$ 133,903
Canadian Dollar / U.S. Dollar
Notional amounts of outstanding forward contracts	45,531	54,133
Euro / U.S. Dollar
Notional amounts of outstanding forward contracts	51,546	53,716
Chinese Renminbi / U.S. Dollar
Notional amounts of outstanding forward contracts	3,394	3,666
Japanese Yen / U.S. Dollar
Notional amounts of outstanding forward contracts	19,911	13,415
Swiss Franc / Euro
Notional amounts of outstanding forward contracts	1,270	0
All other
Notional amounts of outstanding forward contracts	$ 5,914	$ 8,973