Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Feb. 04, 2012		Jan. 29, 2011
Condensed Consolidated Statements of Income [Abstract]
Revenue	$ 648,058		$ 728,504
Cost of sales	238,668	[1]	246,331	[1]
Gross margin	409,390		482,173
Operating expenses:
Research and development	124,378	[1]	122,745	[1]
Selling, marketing, general and administrative	99,045	[1]	100,022	[1]
Special charge	2,595
Total operating expenses	226,018		222,767
Operating income from continuing operations	183,372		259,406
Nonoperating (income) expense:
Interest expense	6,682		2,830
Interest income	(3,348)		(2,285)
Other, net	(48)		41
Total nonoperating (income) expense	3,286		586
Income from continuing operations before income taxes	180,086		258,820
Provision for income taxes	40,704		43,214
Income from continuing operations, net of tax	139,382		215,606
Gain on sale of discontinued operations, net of tax	0		6,500
Net income	139,382		222,106
Shares used to compute earnings per share - basic	297,788		299,218
Shares used to compute earnings per share - diluted	305,531		308,848
Basic earnings per share from continuing operations	$ 0.47		$ 0.72
Basic earnings per share	$ 0.47		$ 0.74
Diluted earnings per share from continuing operations	$ 0.46		$ 0.70
Diluted earnings per share	$ 0.46		$ 0.72
Dividends declared and paid per share	$ 0.25		$ 0.22
Cost of sales [Member]
Includes stock-based compensation expense as follows:
Stock-based compensation expense	1,807		1,748
Research and development [Member]
Includes stock-based compensation expense as follows:
Stock-based compensation expense	5,885		5,585
Selling, marketing, general and administrative [Member]
Includes stock-based compensation expense as follows:
Stock-based compensation expense	$ 5,640		$ 5,270

[1] Includes stock-based compensation expense as follows: