Condensed Consolidated Statements Of Income - USD ($) shares in Thousands	3 Months Ended
	Jan. 28, 2017	Jan. 30, 2016
Net revenues:
Product	$ 480,617,000	$ 481,167,000
Service	100,846,000	93,117,000
Total net revenues	581,463,000	574,284,000
Cost of revenues:
Product	166,655,000	144,097,000
Service	47,685,000	41,372,000
Total cost of revenues	214,340,000	185,469,000
Gross margin	367,123,000	388,815,000
Operating expenses:
Research and development	123,503,000	93,257,000
Sales and marketing	180,201,000	151,827,000
General and administrative	33,497,000	22,429,000
Amortization of intangible assets	7,594,000	902,000
Acquisition and integration costs	18,037,000	0
Restructuring and other related benefits	0	(566,000)
Total operating expenses	362,832,000	267,849,000
Income from operations	4,291,000	120,966,000
Interest expense	(15,493,000)	(9,865,000)
Interest and other income, net	458,000	669,000
Income (loss) before income tax	(10,744,000)	111,770,000
Income tax expense (benefit)	(4,900,000)	18,124,000
Net income (loss)	(5,844,000)	93,646,000
Less: Net loss attributable to noncontrolling interest	163,000	0.00
Net income (loss) attributable to Brocade Communications Systems, Inc.	$ (5,681,000)	$ 93,646,000
Net income (loss) per share—basic attributable to Brocade Communications Systems, Inc. stockholders	$ (0.01)	$ 0.23
Net income (loss) per share—diluted attributable to Brocade Communications Systems, Inc. stockholders	$ (0.01)	$ 0.23
Shares used in per share calculation—basic	404,995	407,902
Shares used in per share calculation—diluted	404,995	415,085
Cash dividends declared per share	$ 0.055	$ 0.045