Debt And Money Market Securities (Carrying Value And Fair Market Value Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 27, 2012	Oct. 28, 2011	Jan. 28, 2011
Debt Instrument [Line Items]
Carrying value of debt	$ 1,275,523	$ 1,057,124	$ 1,116,339
Fair value of debt	1,402,744	1,144,058	1,212,683
Publicly Traded Debt [Member]
Debt Instrument [Line Items]
Carrying value of debt	1,200,000	800,000	800,000
Fair value of debt	1,328,165	888,251	897,968
Non-Publicly Traded Debt [Member]
Debt Instrument [Line Items]
Carrying value of debt	75,523	257,124	316,339
Fair value of debt	$ 74,579	$ 255,807	$ 314,715