Income Taxes Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014	Oct. 26, 2013
Deferred Tax Assets, Gross
Net operating loss carry forwards	$ 8,679	$ 10,525
Stock-based compensation expense	14,202	17,664
Tax credit carry forwards	84,930	141,975
Reserves and accruals	101,301	63,765
Capitalized research and development expenditures	183	621
Net unrealized losses on investments	370	396
Gross deferred tax assets	209,665	234,946
Valuation allowance	(83,489)	(81,116)
Total deferred tax assets	126,176	153,830
Deferred Tax Liabilities
Acquired intangibles and goodwill	(15,433)	(22,307)
Fixed assets	(31,231)	(29,878)
Other	(13,368)	(2,042)
Total deferred tax liabilities	(60,032)	(54,227)
Deferred Tax Assets (Liabilities), Net
Total net deferred tax assets	$ 66,144	$ 99,603