Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 30, 2010
Net revenues
Product	$ 1,890,856	$ 1,789,814	$ 1,728,814
Service	346,914	357,628	362,339
Total net revenues	2,237,770	2,147,442	2,091,153
Cost of revenues
Product	689,856	677,196	683,486
Service	164,895	186,712	176,547
Total cost of revenues	854,751	863,908	860,033
Gross margin	1,383,019	1,283,534	1,231,120
Operating expenses:
Research and development	363,090	354,401	354,260
Sales and marketing	608,502	608,513	534,458
General and administrative	74,583	69,506	67,848
Amortization of intangible assets	59,204	60,713	65,623
Restructuring, integration and indemnification costs	(89)	125	1,100
Loss on sale of subsidiary	0	12,756	0
Total operating expenses	1,105,290	1,106,014	1,023,289
Income (loss) from operations	277,729	177,520	207,831
Interest income	659	597	763
Interest expense	(52,488)	(97,838)	(85,858)
Other expenses, net	(1,473)	(975)	(7,215)
Gain (loss) on sale of investments and property, net	(26)	124	(8,551)
Income (loss) before income tax	224,401	79,428	106,970
Income tax expense (benefit)	29,220	28,818	(9,553)
Net income (loss)	$ 195,181	$ 50,610	$ 116,523
Net income per share - basic (dollars per share)	$ 0.43	$ 0.11	$ 0.26
Net income per share - diluted (dollars per share)	$ 0.41	$ 0.10	$ 0.24
Shares used in per share calculation - basic	456,629	474,259	446,996
Shares used in per share calculation - diluted	472,343	497,030	482,741