SEGMENTS AND ENTITY-WIDE DISCLOSURES - Other Intangibles Assets, Goodwill and Maintenance Spares (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Oct. 30, 2021
Segment Reporting Information [Line Items]
Net Intangible	$ 88,956	$ 65,314
Goodwill	328,924	$ 311,645
Maintenance spares, net	50,196
Networking Platforms
Segment Reporting Information [Line Items]
Net Intangible	46,386
Goodwill	83,684
Maintenance spares, net	0
Platform Software and Services
Segment Reporting Information [Line Items]
Net Intangible	0
Goodwill	156,191
Maintenance spares, net	0
Blue Planet Automation Software and Services
Segment Reporting Information [Line Items]
Net Intangible	42,570
Goodwill	89,049
Maintenance spares, net	0
Global Services
Segment Reporting Information [Line Items]
Net Intangible	0
Goodwill	0
Maintenance spares, net	$ 50,196