Derivative Instruments And Hedging Activities (Schedule Of Total Gross Notional Amounts, Presented By Currency) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 27, 2012	Oct. 29, 2011
Derivatives Designated As Hedging Instruments
Derivative
Total gross notional amounts, presented by currency	$ 105,171	$ 130,370
Derivatives Designated As Hedging Instruments | Euro
Derivative
Total gross notional amounts, presented by currency	43,357	57,935
Derivatives Designated As Hedging Instruments | British Pound
Derivative
Total gross notional amounts, presented by currency	20,499	25,282
Derivatives Designated As Hedging Instruments | India Rupee
Derivative
Total gross notional amounts, presented by currency	16,046	0
Derivatives Designated As Hedging Instruments | Singapore Dollar
Derivative
Total gross notional amounts, presented by currency	12,918	16,136
Derivatives Designated As Hedging Instruments | Swiss Franc
Derivative
Total gross notional amounts, presented by currency	8,575	13,060
Derivatives Designated As Hedging Instruments | Japanese Yen
Derivative
Total gross notional amounts, presented by currency	3,776	17,957
Derivatives Not Designated As Hedging Instruments
Derivative
Total gross notional amounts, presented by currency	12,068	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 | India 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 | Swiss Franc
Derivative
Total gross notional amounts, presented by currency	0	5,012
Derivatives Not Designated As Hedging Instruments | Japanese Yen
Derivative
Total gross notional amounts, presented by currency	$ 12,068	$ 0