Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Net revenues:
Product	$ 481,167	$ 486,238
Service	93,117	90,001
Total net revenues	574,284	576,239
Cost of revenues:
Product	144,097	149,926
Service	41,372	36,630
Total cost of revenues	185,469	186,556
Gross margin	388,815	389,683
Operating expenses:
Research and development	93,257	85,231
Sales and marketing	151,827	140,238
General and administrative	22,429	24,671
Amortization of intangible assets	902	138
Restructuring and other related benefits	(566)	0
Total operating expenses	267,849	250,278
Income from operations	120,966	139,405
Interest expense	(9,865)	(25,424)
Interest and other income (loss), net	669	(559)
Income before income tax	111,770	113,422
Income tax expense	18,124	26,155
Net income	$ 93,646	$ 87,267
Net income per share—basic	$ 0.23	$ 0.20
Net income per share—diluted	$ 0.23	$ 0.20
Shares used in per share calculation—basic	407,902	428,536
Shares used in per share calculation—diluted	415,085	439,156
Cash dividends declared per share	$ 0.045	$ 0.035