Segment and Entity Wide Disclosures - Other Intangibles Assets, Goodwill and Maintenance Spares (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Nov. 02, 2019
Segment Reporting Information [Line Items]
Other intangible assets, net	$ 96,647	$ 112,781
Goodwill	310,847	297,937
Maintenance spares, net	62,077	55,482
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Other intangible assets, net	0
Goodwill	0
Maintenance spares, net	62,077
Operating Segments | Networking Platforms
Segment Reporting Information [Line Items]
Other intangible assets, net	10,977
Goodwill	65,607	65,752
Maintenance spares, net	0
Operating Segments | Platform Software and Services
Segment Reporting Information [Line Items]
Other intangible assets, net	0
Goodwill	156,191	156,191
Maintenance spares, net	0
Operating Segments | Blue Planet Automation Software and Services
Segment Reporting Information [Line Items]
Other intangible assets, net	85,670
Goodwill	89,049	$ 75,994
Maintenance spares, net	$ 0