Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 25, 2014	Jan. 26, 2013
Current Income Tax Expense (Benefit), Continuing Operations
U.S. federal statutory tax rate	35.00%	35.00%
Change in California deferred tax asset valuation allowance as a result of the passage of Proposition 39		$ 78.2
Income Tax Contingency
Amount of unrecognized tax benefits that could affect the effect tax rate	77.8
Upper range of estimated potential decreases in underlying uncertain tax positions	4.6
Lower range of estimated potential decreases in underlying uncertain tax positions	$ 0