Derivative Instruments And Hedging Activities (Schedule Of Total Gross Notional Amounts, Presented By Currency) (Details) - Derivatives Designated As Hedging Instruments - USD ($) $ in Thousands	Jan. 28, 2017	Oct. 29, 2016
Derivative
Total gross notional amounts, presented by currency	$ 123,715	$ 176,236
United Kingdom, Pounds
Derivative
Total gross notional amounts, presented by currency	31,556	42,783
Euro Member Countries, Euro
Derivative
Total gross notional amounts, presented by currency	23,470	34,070
India, Rupees
Derivative
Total gross notional amounts, presented by currency	22,763	32,275
China, Yuan Renminbi
Derivative
Total gross notional amounts, presented by currency	13,730	19,805
Singapore, Dollars
Derivative
Total gross notional amounts, presented by currency	10,195	15,057
Switzerland, Francs
Derivative
Total gross notional amounts, presented by currency	10,163	14,426
Japan, Yen
Derivative
Total gross notional amounts, presented by currency	6,312	9,944
Australia, Dollars
Derivative
Total gross notional amounts, presented by currency	$ 5,526	$ 7,876