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REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
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Feb. 01, 2025 | Jan. 27, 2024
Disaggregation of Revenue [Line Items] |  |
Total revenue | $ 1,072,260 | $ 1,037,709
Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 866,633 | 845,637
Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 205,627 | 192,072
Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 821,142 | 807,236
Networking Platforms | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 821,142 | 807,236
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 | 95,067 | 89,745
Platform Software and Services | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 28,931 | 27,694
Platform Software and Services | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 66,136 | 62,051
Blue Planet Automation Software and Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 26,032 | 13,942
Blue Planet Automation Software and Services | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 10,427 | 1,069
Blue Planet Automation Software and Services | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 15,605 | 12,873
Global Services |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 130,019 | 126,786
Global Services | Products and services at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 6,133 | 9,638
Global Services | Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 123,886 | 117,148
Optical Networking |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 727,973 | 695,849
Optical Networking | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 727,973 | 695,849
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 | 93,169 | 111,387
Routing and Switching | Networking Platforms |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 93,169 | 111,387
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 | 95,067 | 89,745
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 | 95,067 | 89,745
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 | 26,032 | 13,942
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 | 26,032 | 13,942
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 | 74,573 | 74,115
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 | 74,573 | 74,115
Installation and Deployment |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 47,682 | 42,723
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 | 47,682 | 42,723
Consulting and Network Design |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue | 7,764 | 9,948
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 | $ 7,764 | $ 9,948

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