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REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jan. 27, 2024 | Jan. 28, 2023
Disaggregation of Revenue [Line Items] |  |
Total revenue | $ 1,037,709 | $ 1,056,521
Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 845,637 | 887,240
Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 192,072 | 169,281
Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 807,236 | 855,139
Networking Platforms | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 807,236 | 855,139
Networking Platforms | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 89,745 | 73,445
Platform Software and Services | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 27,694 | 18,864
Platform Software and Services | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 62,051 | 54,581
Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 13,942 | 15,405
Blue Planet Automation Software and Services | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 1,069 | 3,982
Blue Planet Automation Software and Services | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 12,873 | 11,423
Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 126,786 | 112,532
Global Services | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 9,638 | 9,255
Global Services | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 117,148 | 103,277
Optical Networking |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 695,849 | 735,634
Optical Networking | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 695,849 | 735,634
Optical Networking | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Optical Networking | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Optical Networking | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Routing and Switching |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 111,387 | 119,505
Routing and Switching | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 111,387 | 119,505
Routing and Switching | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Routing and Switching | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Routing and Switching | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 89,745 | 73,445
Platform Software and Services | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Platform Software and Services | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 89,745 | 73,445
Platform Software and Services | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Platform Software and Services | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 13,942 | 15,405
Blue Planet Automation Software and Services | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Blue Planet Automation Software and Services | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Blue Planet Automation Software and Services | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 13,942 | 15,405
Blue Planet Automation Software and Services | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Maintenance Support and Training |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 74,115 | 67,891
Maintenance Support and Training | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Maintenance Support and Training | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Maintenance Support and Training | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Maintenance Support and Training | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 74,115 | 67,891
Installation and Deployment |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 42,723 | 34,575
Installation and Deployment | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Installation and Deployment | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Installation and Deployment | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Installation and Deployment | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 42,723 | 34,575
Consulting and Network Design |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 9,948 | 10,066
Consulting and Network Design | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Consulting and Network Design | Platform Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Consulting and Network Design | Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 0 | 0
Consulting and Network Design | Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | $ 9,948 | $ 10,066

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