Derivative Financial Instruments (Narrative) (Details) (USD $)	12 Months Ended							12 Months Ended
	Oct. 26, 2012	Oct. 28, 2011	Oct. 29, 2010	Oct. 28, 2011 Interest Rate Derivatives Related To Forecasted Debt Issuances [Member]	Oct. 28, 2011 Interest Rate Derivatives Related To Outstanding Debt [Member]	Oct. 28, 2011 Foreign Currency Contracts Maturing In 2012 [Member]	Oct. 26, 2012 Foreign Currency Contracts Maturing In 2013 [Member]	Oct. 26, 2012 Treasury Lock Contracts [Member]	Jan. 27, 2012 Treasury Lock Contracts [Member]	Oct. 26, 2012 Senior Notes Due 2022 At 4.20% [Member]	Jan. 27, 2012 Senior Notes Due 2022 At 4.20% [Member]
Derivative [Line Items]
Notional amount of interest rate derivatives				$ 200,000,000	$ 50,000,000				$ 200,000,000
Notional amount of foreign currency contracts						9,766,000	9,198,000
Pretax loss on settlement of treasury lock contracts								27,875,000
Settlement of treasury lock contracts	27,875,000	0	0
Unsecured senior notes										$ 400,000,000	$ 400,000,000