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REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 27, 2024 | Jul. 29, 2023 | Jul. 27, 2024 | Jul. 29, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 942,308 | $ 1,067,886 | $ 2,890,843 | $ 3,257,062
Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 739,750 | 877,258 | 2,297,613 | 2,715,544
Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 202,558 | 190,628 | 593,230 | 541,518
Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 699,537 | 846,560 | 2,183,030 | 2,616,558
Networking Platforms | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 699,537 | 846,560 | 2,183,030 | 2,616,558
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 | 83,212 | 78,880 | 258,402 | 221,768
Platform Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 18,766 | 15,980 | 69,149 | 48,290
Platform Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 64,446 | 62,900 | 189,253 | 173,478
Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 25,791 | 13,167 | 54,167 | 49,139
Blue Planet Automation Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 11,614 | 2,832 | 15,530 | 14,143
Blue Planet Automation Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 14,177 | 10,335 | 38,637 | 34,996
Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 133,768 | 129,279 | 395,244 | 369,597
Global Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 9,833 | 11,886 | 29,904 | 36,553
Global Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 123,935 | 117,393 | 365,340 | 333,044
Optical Networking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 606,845 | 718,997 | 1,862,917 | 2,239,180
Optical Networking | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 606,845 | 718,997 | 1,862,917 | 2,239,180
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 | 92,692 | 127,563 | 320,113 | 377,378
Routing and Switching | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 92,692 | 127,563 | 320,113 | 377,378
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 | 83,212 | 78,880 | 258,402 | 221,768
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 | 83,212 | 78,880 | 258,402 | 221,768
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 | 25,791 | 13,167 | 54,167 | 49,139
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 | 25,791 | 13,167 | 54,167 | 49,139
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 | 74,344 | 72,887 | 225,869 | 213,938
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 | 74,344 | 72,887 | 225,869 | 213,938
Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 46,484 | 46,840 | 132,993 | 120,901
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 | 46,484 | 46,840 | 132,993 | 120,901
Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 12,940 | 9,552 | 36,382 | 34,758
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 | $ 12,940 | $ 9,552 | $ 36,382 | $ 34,758

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