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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
May 01, 2021 | May 02, 2020 | May 01, 2021 | May 02, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 833,927 | $ 894,053 | $ 1,591,057 | $ 1,726,965
Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 670,226 | 744,861 | 1,269,950 | 1,424,966
Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 163,701 | 149,192 | 321,107 | 301,999
Converged Packet Optical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 573,657 | 654,294 | 1,085,981 | 1,245,844
Routing and Switching |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 63,628 | 64,167 | 127,934 | 131,675
Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 56,688 | 44,985 | 106,527 | 96,873
Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 23,958 | 15,017 | 40,892 | 30,482
Maintenance Support and Training |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 70,418 | 71,479 | 138,049 | 133,271
Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 37,999 | 34,242 | 77,610 | 69,196
Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 7,579 | 9,869 | 14,064 | 19,624
Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 637,285 | 718,461 | 1,213,915 | 1,377,519
Networking Platforms | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 637,285 | 718,461 | 1,213,915 | 1,377,519
Networking Platforms | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Networking Platforms | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 637,285 | 718,461 | 1,213,915 | 1,377,519
Networking Platforms | Operating Segments | Converged Packet Optical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 573,657 | 654,294 | 1,085,981 | 1,245,844
Networking Platforms | Operating Segments | Routing and Switching |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 63,628 | 64,167 | 127,934 | 131,675
Networking Platforms | Operating Segments | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Networking Platforms | Operating Segments | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Networking Platforms | Operating Segments | Maintenance Support and Training |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Networking Platforms | Operating Segments | Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Networking Platforms | Operating Segments | Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 56,688 | 44,985 | 106,527 | 96,873
Platform Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 20,765 | 16,978 | 36,828 | 30,092
Platform Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 35,923 | 28,007 | 69,699 | 66,781
Platform Software and Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 56,688 | 44,985 | 106,527 | 96,873
Platform Software and Services | Operating Segments | Converged Packet Optical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Operating Segments | Routing and Switching |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Operating Segments | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 56,688 | 44,985 | 106,527 | 96,873
Platform Software and Services | Operating Segments | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Operating Segments | Maintenance Support and Training |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Operating Segments | Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Operating Segments | Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 23,958 | 15,017 | 40,892 | 30,482
Blue Planet Automation Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 10,765 | 4,745 | 15,939 | 8,481
Blue Planet Automation Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 13,193 | 10,272 | 24,953 | 22,001
Blue Planet Automation Software and Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 23,958 | 15,017 | 40,892 | 30,482
Blue Planet Automation Software and Services | Operating Segments | Converged Packet Optical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Operating Segments | Routing and Switching |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Operating Segments | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Operating Segments | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 23,958 | 15,017 | 40,892 | 30,482
Blue Planet Automation Software and Services | Operating Segments | Maintenance Support and Training |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Operating Segments | Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Operating Segments | Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 115,996 | 115,590 | 229,723 | 222,091
Global Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 1,411 | 4,677 | 3,268 | 8,874
Global Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 114,585 | 110,913 | 226,455 | 213,217
Global Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 115,996 | 115,590 | 229,723 | 222,091
Global Services | Operating Segments | Converged Packet Optical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Global Services | Operating Segments | Routing and Switching |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Global Services | Operating Segments | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Global Services | Operating Segments | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Global Services | Operating Segments | Maintenance Support and Training |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 70,418 | 71,479 | 138,049 | 133,271
Global Services | Operating Segments | Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 37,999 | 34,242 | 77,610 | 69,196
Global Services | Operating Segments | Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 7,579 | $ 9,869 | $ 14,064 | $ 19,624

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