Acquisitions (Schedule of Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified	May 02, 2015		Nov. 01, 2014
Business Acquisition [Line Items]
Goodwill	$ 1,617,171		$ 1,567,723
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Cash and Equivalents	161
Receivables	154
Property, Plant, and Equipment	1,479
Finite-Lived Intangibles	52,260
Goodwill	49,458	[1]
Prepaid Expense and Other Current Assets	98
Total Assets Acquired	103,610
Deferred Tax Liabilities Noncurrent	(3,087)
Deferred Revenue Current	(3,603)
Other Current Liabilities	(820)
Total Liabilities Assumed	(7,510)
Net Assets Acquired	96,100
Series of Individually Immaterial Business Acquisitions [Member] | Core/developed technology
Business Acquisition [Line Items]
Finite-Lived Intangibles	28,450
Series of Individually Immaterial Business Acquisitions [Member] | Customer relationships
Business Acquisition [Line Items]
Finite-Lived Intangibles	22,030
Series of Individually Immaterial Business Acquisitions [Member] | Patents with broader applications
Business Acquisition [Line Items]
Finite-Lived Intangibles	1,040
Series of Individually Immaterial Business Acquisitions [Member] | Trade name
Business Acquisition [Line Items]
Finite-Lived Intangibles	500
Series of Individually Immaterial Business Acquisitions [Member] | Non-compete agreements
Business Acquisition [Line Items]
Finite-Lived Intangibles	$ 240

[1] (1) The goodwill recognized primarily represents potential synergies from combining operations of the acquired businesses and the Company, as well as intangible assets that do not qualify for separate recognition. The total amount of goodwill that is expected to be deductible for tax purposes is $38.1 million.