Debt And Money Market Securities (Carrying Value And Fair Market Value Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 27, 2012	Oct. 28, 2011	Apr. 29, 2011
Debt Instrument [Line Items]
Carrying value of debt	$ 1,271,013	$ 1,057,124	$ 1,257,498
Fair value of debt	1,403,079	1,144,058	1,354,508
Publicly Traded Debt [Member]
Debt Instrument [Line Items]
Carrying value of debt	1,200,000	800,000	800,000
Fair value of debt	1,332,850	888,251	898,503
Non-Publicly Traded Debt [Member]
Debt Instrument [Line Items]
Carrying value of debt	71,013	257,124	457,498
Fair value of debt	$ 70,229	$ 255,807	$ 456,005