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REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
May 03, 2025 | Apr. 27, 2024 | May 03, 2025 | Apr. 27, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 1,125,878 | $ 910,826 | $ 2,198,138 | $ 1,948,535
Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 906,718 | 712,227 | 1,773,351 | 1,557,863
Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 219,160 | 198,599 | 424,787 | 390,672
Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 866,315 | 676,258 | 1,687,458 | 1,483,493
Networking Platforms | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 866,315 | 676,258 | 1,687,458 | 1,483,493
Networking Platforms | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 85,441 | 85,445 | 180,508 | 175,190
Platform Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 22,048 | 22,689 | 50,979 | 50,383
Platform Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 63,393 | 62,756 | 129,529 | 124,807
Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 27,951 | 14,434 | 53,982 | 28,376
Blue Planet Automation Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 10,511 | 2,848 | 20,937 | 3,916
Blue Planet Automation Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 17,440 | 11,586 | 33,045 | 24,460
Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 146,171 | 134,689 | 276,190 | 261,476
Global Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 7,844 | 10,432 | 13,977 | 20,071
Global Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 138,327 | 124,257 | 262,213 | 241,405
Optical Networking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 773,592 | 560,224 | 1,501,566 | 1,256,072
Optical Networking | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 773,592 | 560,224 | 1,501,566 | 1,256,072
Optical Networking | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Optical Networking | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Optical Networking | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Routing and Switching |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 92,723 | 116,034 | 185,892 | 227,421
Routing and Switching | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 92,723 | 116,034 | 185,892 | 227,421
Routing and Switching | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Routing and Switching | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Routing and Switching | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 85,441 | 85,445 | 180,508 | 175,190
Platform Software and Services | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 85,441 | 85,445 | 180,508 | 175,190
Platform Software and Services | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Platform Software and Services | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 27,951 | 14,434 | 53,982 | 28,376
Blue Planet Automation Software and Services | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Blue Planet Automation Software and Services | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 27,951 | 14,434 | 53,982 | 28,376
Blue Planet Automation Software and Services | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Maintenance Support and Training |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 79,442 | 77,410 | 154,014 | 151,525
Maintenance Support and Training | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Maintenance Support and Training | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Maintenance Support and Training | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Maintenance Support and Training | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 79,442 | 77,410 | 154,014 | 151,525
Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 58,174 | 43,785 | 105,857 | 86,509
Installation and Deployment | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Installation and Deployment | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Installation and Deployment | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Installation and Deployment | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 58,174 | 43,785 | 105,857 | 86,509
Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 8,555 | 13,494 | 16,319 | 23,442
Consulting and Network Design | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Consulting and Network Design | Platform Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Consulting and Network Design | Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Consulting and Network Design | Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 8,555 | $ 13,494 | $ 16,319 | $ 23,442

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