Income Taxes (Components Of Deferred Tax Assets And Deferred Tax Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 29, 2011	Oct. 30, 2010
Income Taxes [Abstract]
Net operating loss carry forwards	$ 132,765	$ 155,556
Stock option expense	28,513	37,406
Tax credit carry forwards	141,209	93,450
Reserves and accruals	104,135	128,283
Non-U.S. stock option expense	373	643
Capitalized research and development expenditures	8,475	14,970
Net unrealized losses on investments	330	327
Gross deferred tax assets	415,800	430,635
Less: Valuation allowance	(22,566)	(22,319)
Total deferred tax assets	393,234	408,316
Acquired intangibles and goodwill	(92,481)	(131,402)
Fixed assets	(34,992)
Other	(2,129)	(2,342)
Total deferred tax liabilities	(129,602)	(133,744)
Total net deferred tax assets	$ 263,632	$ 274,572