Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($)		3 Months Ended		6 Months Ended
		Apr. 29, 2017	Apr. 30, 2016	Apr. 29, 2017	Apr. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (11,032,000)	$ 43,085,000	$ (16,876,000)	$ 136,731,000
Net income (loss) attributable to Brocade Communications Systems, Inc.		(10,967,000)	43,085,000	(16,648,000)	136,731,000
Unrealized gains (losses) on cash flow hedges:
Change in unrealized gains and losses		576,000	1,964,000	167,000	(336,000)
Net gains and losses reclassified into earnings	[1]	251,000	724,000	436,000	1,350,000
Net unrealized gains on cash flow hedges		827,000	2,688,000	603,000	1,014,000
Foreign currency translation adjustments		2,023,000	2,070,000	663,000	(133,000)
Total other comprehensive income		2,850,000	4,758,000	1,266,000	881,000
Total comprehensive income (loss)		(8,182,000)	47,843,000	(15,610,000)	137,612,000
Less: Net loss attributable to noncontrolling interest		(65,000)	0.00	(228,000)	0.00
Less: Total other comprehensive loss attributable to noncontrolling interest		(4,000)	0	(72,000)	0
Total comprehensive income (loss) attributable to Brocade Communications Systems, Inc.		$ (8,113,000)	$ 47,843,000	$ (15,310,000)	$ 137,612,000

[1] For classification of amounts reclassified from accumulated other comprehensive loss into earnings as reported on the Company’s Condensed Consolidated Statements of Operations, see Note 9, “Derivative Instruments and Hedging Activities,” of the Notes to Condensed Consolidated Financial Statements.