Acquisitions, Divestitures, AHS Acquisitions, Divestitures, AHS (Schedule of Acquisitions Divestitures Integration Costs) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Jul. 29, 2017		Jul. 30, 2016	Jul. 29, 2017		Jul. 30, 2016
Schedule of Acquisition Divestiture Integration Costs [Line Items]
Divestiture Related Costs	$ 829	[1]	$ 0	$ 1,570	[1]	$ 0
Acquisition, divestiture, and integration costs	13,246		14,868	49,519		20,625
Ruckus
Schedule of Acquisition Divestiture Integration Costs [Line Items]
Acquisition Related Costs	1,184		10,232	3,454		15,218
Integration Related Costs	(372)		4,636	3,338		5,407
Parent Company [Member]
Schedule of Acquisition Divestiture Integration Costs [Line Items]
Integration Related Costs	$ 11,605	[2]	$ 0	$ 41,157	[2]	$ 0

[1] These costs relate to the completed divestiture of the Company’s vRouter product line and the pending divestitures of the vADC and vEPC product lines.

[2] These costs are related to retention compensation for certain of the Company’s employees and legal and consulting fees.