Derivative Instruments And Hedging Activities (Schedule Of Total Gross Notional Amounts, Presented By Currency) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Nov. 01, 2014
Derivatives Designated As Hedging Instruments
Derivative
Total gross notional amounts, presented by currency	$ 58,564	$ 80,957
Derivatives Designated As Hedging Instruments | Euro
Derivative
Total gross notional amounts, presented by currency	9,741	14,404
Derivatives Designated As Hedging Instruments | British pound
Derivative
Total gross notional amounts, presented by currency	7,887	11,168
Derivatives Designated As Hedging Instruments | Indian rupee
Derivative
Total gross notional amounts, presented by currency	14,510	19,413
Derivatives Designated As Hedging Instruments | Chinese Yuan
Derivative
Total gross notional amounts, presented by currency	7,638	10,406
Derivatives Designated As Hedging Instruments | Singapore dollar
Derivative
Total gross notional amounts, presented by currency	6,583	9,242
Derivatives Designated As Hedging Instruments | Japanese yen
Derivative
Total gross notional amounts, presented by currency	6,342	8,856
Derivatives Designated As Hedging Instruments | Swiss franc
Derivative
Total gross notional amounts, presented by currency	5,863	7,468
Derivatives Not Designated As Hedging Instruments
Derivative
Total gross notional amounts, presented by currency	23,502	34,091
Derivatives Not Designated As Hedging Instruments | Euro
Derivative
Total gross notional amounts, presented by currency	12,985	19,200
Derivatives Not Designated As Hedging Instruments | British pound
Derivative
Total gross notional amounts, presented by currency	10,517	14,891
Derivatives Not Designated As Hedging Instruments | Indian rupee
Derivative
Total gross notional amounts, presented by currency	0	0
Derivatives Not Designated As Hedging Instruments | Chinese Yuan
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	$ 0	$ 0