Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended				9 Months Ended
	Jul. 30, 2011		Jul. 31, 2010		Jul. 30, 2011		Jul. 31, 2010
Net revenues
Product	$ 414,298		$ 415,441		$ 1,328,821		$ 1,272,207
Service	88,552		88,811		268,148		270,316
Total net revenues	502,850		504,252	[1]	1,596,969		1,542,523	[1]
Cost of revenues
Product	149,321	[2]	175,392	[2]	498,012	[2]	502,211	[2]
Service	47,002	[2]	43,439	[2]	142,939	[2]	132,467	[2]
Total cost of revenues	196,323		218,831	[1]	640,951		634,678	[1]
Gross margin
Product	264,977		240,049		830,809		769,996
Service	41,550		45,372		125,209		137,849
Total gross margin	306,527		285,421	[1]	956,018		907,845	[1]
Operating expenses:
Research and development	87,320		85,884		270,669		265,317
Sales and marketing	153,345	[2]	134,793	[2]	462,991	[2]	388,871	[2]
General and administrative	16,617		17,540		53,176		49,719
Legal fees associated with indemnification obligations and other related costs, net			(74)		124		504
Amortization of intangible assets	15,023		16,190		46,236		49,433
Acquisition and integration costs							204
Total operating expenses	272,305		254,333		833,196		754,048
Income from operations	34,222		31,088		122,822		153,797
Interest and other income (loss), net	(673)		(1,399)		(297)		(2,231)
Interest expense	(42,066)		(22,061)		(84,357)		(63,656)
Gain (loss) on sale of investments and property, net	154		(24)		137		(8,599)
Income (loss) before income tax benefit	(8,363)		7,604		38,305		79,311
Income tax benefit	(10,300)		(14,926)		(16,629)		(14,985)
Net income	$ 1,937		$ 22,530		$ 54,934		$ 94,296
Net income per share - basic	$ 0.00		$ 0.05		$ 0.12		$ 0.21
Net income per share - diluted	$ 0.00		$ 0.05		$ 0.11		$ 0.20
Shares used in per share calculation - basic	483,744		449,489		474,020		443,795
Shares used in per share calculation - diluted	509,548		481,863		500,741		481,764

[1] The three and nine months ended July 31, 2010 reflects the reclassification of SE costs from cost of revenue to sales and marketing expenses. See Note 1, "Basis of Presentation," of the Notes to Condensed Consolidated Financial Statements.

[2] The three and nine months ended July 31, 2010 are as adjusted due to the reclassification of system engineer costs from cost of revenues to sales and marketing expenses. See Note 1, "Basis of Presentation," of the Notes to Condensed Consolidated Financial Statements.