Derivative Financial Instruments (Notional Amounts Of Outstanding Forward Contracts) (Details) - Forward Contracts - USD ($) $ in Thousands	Jul. 01, 2017	Sep. 30, 2016
Designated as Hedging Instrument [Member]
Notional amounts	$ 129,647	$ 39,059
Designated as Hedging Instrument [Member] | Euro / U.S. Dollar
Notional amounts	109,702	26,181
Designated as Hedging Instrument [Member] | Japanese Yen / U.S. Dollar
Notional amounts	16,273	8,800
Designated as Hedging Instrument [Member] | Swedish Krona / U.S. Dollar
Notional amounts	3,672	4,078
Not Designated as Hedging Instrument [Member]
Notional amounts	294,629	249,534
Not Designated as Hedging Instrument [Member] | Canadian / U.S. Dollar
Notional amounts	8,488	14,685
Not Designated as Hedging Instrument [Member] | Swiss Franc / Euro
Notional amounts	7,374	730
Not Designated as Hedging Instrument [Member] | Chinese Yuan offshore / Euro
Notional amounts	10,303	0
Not Designated as Hedging Instrument [Member] | Euro / U.S. Dollar
Notional amounts	227,898	174,120
Not Designated as Hedging Instrument [Member] | Japanese Yen / Euro
Notional amounts	11,025	32,782
Not Designated as Hedging Instrument [Member] | Israeli Shekel / U.S. Dollar
Notional amounts	8,116	7,271
Not Designated as Hedging Instrument [Member] | Japanese Yen / U.S. Dollar
Notional amounts	2,718	6,716
Not Designated as Hedging Instrument [Member] | Swedish Krona / U.S. Dollar
Notional amounts	6,410	3,852
Not Designated as Hedging Instrument [Member] | Denmark, Kroner
Notional amounts	5,279	1,183
Not Designated as Hedging Instrument [Member] | All other
Notional amounts	$ 7,018	$ 8,195