Derivative Instruments And Hedging Activities (Schedule Of Total Gross Notional Amounts, Presented By Currency) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 28, 2012	Oct. 29, 2011
Derivatives Designated As Hedging Instruments
Derivative
Total gross notional amounts, presented by currency	$ 78,915	$ 130,370
Derivatives Designated As Hedging Instruments | Euro
Derivative
Total gross notional amounts, presented by currency	28,993	57,935
Derivatives Designated As Hedging Instruments | British Pound
Derivative
Total gross notional amounts, presented by currency	14,758	25,282
Derivatives Designated As Hedging Instruments | Indian Rupee
Derivative
Total gross notional amounts, presented by currency	12,474	0
Derivatives Designated As Hedging Instruments | Singapore Dollar
Derivative
Total gross notional amounts, presented by currency	9,336	16,136
Derivatives Designated As Hedging Instruments | Japanese Yen
Derivative
Total gross notional amounts, presented by currency	7,942	17,957
Derivatives Designated As Hedging Instruments | Swiss Franc
Derivative
Total gross notional amounts, presented by currency	5,412	13,060
Derivatives Not Designated As Hedging Instruments
Derivative
Total gross notional amounts, presented by currency	2,787	5,012
Derivatives Not Designated As Hedging Instruments | Euro
Derivative
Total gross notional amounts, presented by currency	0	0
Derivatives Not Designated As Hedging Instruments | British Pound
Derivative
Total gross notional amounts, presented by currency	0	0
Derivatives Not Designated As Hedging Instruments | Indian Rupee
Derivative
Total gross notional amounts, presented by currency	0	0
Derivatives Not Designated As Hedging Instruments | Singapore Dollar
Derivative
Total gross notional amounts, presented by currency	0	0
Derivatives Not Designated As Hedging Instruments | Japanese Yen
Derivative
Total gross notional amounts, presented by currency	0	0
Derivatives Not Designated As Hedging Instruments | Swiss Franc
Derivative
Total gross notional amounts, presented by currency	$ 2,787	$ 5,012