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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2020 | Nov. 02, 2019 | Nov. 03, 2018
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 3,532,157 | $ 3,572,131 | $ 3,094,286
Products and services at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,918,108 | 3,003,347 |
Products and services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 614,049 | 568,784 |
Converged Packet Optical |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,547,647 | 2,562,841 |
Packet Networking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 267,416 | 348,477 |
Platform Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 197,809 | 155,376 |
Blue Planet Automation Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 62,632 | 54,555 |
Maintenance Support and Training |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 269,354 | 261,337 |
Installation and Deployment |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 152,003 | 148,233 |
Consulting and Network Design |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 35,296 | 41,312 |
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 3,532,157 | 3,572,131 | 3,094,286
Networking Platforms | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,815,063 | 2,911,318 | 2,478,018
Networking Platforms | Operating Segments | Products and services at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,815,063 | 2,911,318 |
Networking Platforms | Operating Segments | Products and services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Networking Platforms | Operating Segments | Converged Packet Optical |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,547,647 | 2,562,841 | 2,194,519
Networking Platforms | Operating Segments | Packet Networking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 267,416 | 348,477 | 283,499
Networking Platforms | Operating Segments | Platform Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Networking Platforms | Operating Segments | Blue Planet Automation Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Networking Platforms | Operating Segments | Maintenance Support and Training |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Networking Platforms | Operating Segments | Installation and Deployment |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Networking Platforms | Operating Segments | Consulting and Network Design |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Platform Software and Services | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 197,809 | 155,376 |
Platform Software and Services | Operating Segments | Products and services at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 69,099 | 55,530 |
Platform Software and Services | Operating Segments | Products and services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 128,710 | 99,846 |
Platform Software and Services | Operating Segments | Converged Packet Optical |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Platform Software and Services | Operating Segments | Packet Networking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Platform Software and Services | Operating Segments | Platform Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 197,809 | 155,376 | 173,949
Platform Software and Services | Operating Segments | Blue Planet Automation Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Platform Software and Services | Operating Segments | Maintenance Support and Training |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Platform Software and Services | Operating Segments | Installation and Deployment |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Platform Software and Services | Operating Segments | Consulting and Network Design |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Blue Planet Automation Software and Services | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 62,632 | 54,555 |
Blue Planet Automation Software and Services | Operating Segments | Products and services at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 19,583 | 17,697 |
Blue Planet Automation Software and Services | Operating Segments | Products and services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 43,049 | 36,858 |
Blue Planet Automation Software and Services | Operating Segments | Converged Packet Optical |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Blue Planet Automation Software and Services | Operating Segments | Packet Networking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Blue Planet Automation Software and Services | Operating Segments | Platform Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Blue Planet Automation Software and Services | Operating Segments | Blue Planet Automation Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 62,632 | 54,555 | 26,764
Blue Planet Automation Software and Services | Operating Segments | Maintenance Support and Training |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Blue Planet Automation Software and Services | Operating Segments | Installation and Deployment |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Blue Planet Automation Software and Services | Operating Segments | Consulting and Network Design |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Global Services | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 456,653 | 450,882 | 415,555
Global Services | Operating Segments | Products and services at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 14,363 | 18,802 |
Global Services | Operating Segments | Products and services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 442,290 | 432,080 |
Global Services | Operating Segments | Converged Packet Optical |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Global Services | Operating Segments | Packet Networking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Global Services | Operating Segments | Platform Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Global Services | Operating Segments | Blue Planet Automation Software and Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 |
Global Services | Operating Segments | Maintenance Support and Training |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 269,354 | 261,337 | 245,161
Global Services | Operating Segments | Installation and Deployment |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 152,003 | 148,233 | 128,829
Global Services | Operating Segments | Consulting and Network Design |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 35,296 | $ 41,312 | $ 41,565

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