Income Taxes Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 27, 2012	Oct. 29, 2011
Deferred Tax Assets, Gross
Net operating loss carry forwards	$ 63,750	$ 132,765
Stock-based compensation expense	22,582	28,886
Tax credit carry forwards	145,688	141,209
Reserves and accruals	94,755	104,135
Capitalized research and development expenditures	3,232	8,475
Net unrealized losses on investments	468	330
Gross deferred tax assets	330,475	415,800
Valuation allowance	(22,269)	(22,566)
Total deferred tax assets	308,206	393,234
Deferred Tax Liabilities
Acquired intangibles and goodwill	(50,266)	(92,481)
Fixed assets	(28,110)	(34,992)
Other	(2,116)	(2,129)
Total deferred tax liabilities	(80,492)	(129,602)
Deferred Tax Assets (Liabilities), Net
Total net deferred tax assets	$ 227,714	$ 263,632