Segments and Entity-Wide Disclosures - Other Intangibles Assets, Goodwill and Maintenance Spares (Details) - USD ($) $ in Thousands	Aug. 01, 2020	Nov. 02, 2019
Segment Reporting Information [Line Items]
Other intangible assets, net	$ 106,182
Goodwill	310,772	$ 297,937
Maintenance spares, net	62,491
Operating Segments | Networking Platforms
Segment Reporting Information [Line Items]
Other intangible assets, net	13,230
Goodwill	65,532
Maintenance spares, net	0
Operating Segments | Platform Software and Services
Segment Reporting Information [Line Items]
Other intangible assets, net	0
Goodwill	156,191
Maintenance spares, net	0
Operating Segments | Blue Planet Automation Software and Services
Segment Reporting Information [Line Items]
Other intangible assets, net	92,952
Goodwill	89,049
Maintenance spares, net	0
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Other intangible assets, net	0
Goodwill	0
Maintenance spares, net	$ 62,491