Derivative Instruments And Hedging Activities (Schedule Of Total Gross Notional Amounts, Presented By Currency) (Details) - Derivatives Designated As Hedging Instruments - USD ($) $ in Thousands	Apr. 29, 2017	Oct. 29, 2016
Derivative
Total gross notional amounts, presented by currency	$ 82,388	$ 176,236
United Kingdom, Pounds
Derivative
Total gross notional amounts, presented by currency	21,456	42,783
India, Rupees
Derivative
Total gross notional amounts, presented by currency	16,105	32,275
Euro Member Countries, Euro
Derivative
Total gross notional amounts, presented by currency	14,394	34,070
China, Yuan Renminbi
Derivative
Total gross notional amounts, presented by currency	9,134	19,805
Singapore, Dollars
Derivative
Total gross notional amounts, presented by currency	6,858	15,057
Switzerland, Francs
Derivative
Total gross notional amounts, presented by currency	6,407	14,426
Japan, Yen
Derivative
Total gross notional amounts, presented by currency	4,318	9,944
Australia, Dollars
Derivative
Total gross notional amounts, presented by currency	$ 3,716	$ 7,876