v3.26.1
REVENUE - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
May 02, 2026
May 03, 2025
May 02, 2026
May 03, 2025
Disaggregation of Revenue [Line Items]        
Total revenue $ 1,570,739 $ 1,125,878 $ 2,997,781 $ 2,198,138
Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 1,333,521 906,718 2,530,653 1,773,351
Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 237,218 219,160 467,128 424,787
Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 1,274,078 866,315 2,423,246 1,687,458
Networking Platforms | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 1,274,078 866,315 2,423,246 1,687,458
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 93,878 85,441 187,262 180,508
Platform Software and Services | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 29,413 22,048 58,596 50,979
Platform Software and Services | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 64,465 63,393 128,666 129,529
Blue Planet Automation Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 23,361 27,951 43,781 53,982
Blue Planet Automation Software and Services | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 8,487 10,511 10,381 20,937
Blue Planet Automation Software and Services | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 14,874 17,440 33,400 33,045
Global Services        
Disaggregation of Revenue [Line Items]        
Total revenue 179,422 146,171 343,492 276,190
Global Services | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 21,543 7,844 38,430 13,977
Global Services | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 157,879 138,327 305,062 262,213
Optical Networking        
Disaggregation of Revenue [Line Items]        
Total revenue 1,099,848 773,592 2,123,010 1,501,566
Optical Networking | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 1,099,848 773,592 2,123,010 1,501,566
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 174,230 92,723 300,236 185,892
Routing and Switching | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 174,230 92,723 300,236 185,892
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 93,878 85,441 187,262 180,508
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 93,878 85,441 187,262 180,508
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 23,361 27,951 43,781 53,982
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 23,361 27,951 43,781 53,982
Blue Planet Automation Software and Services | Global Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Maintenance, Support, and Learning        
Disaggregation of Revenue [Line Items]        
Total revenue 89,286 79,442 176,837 154,014
Maintenance, Support, and Learning | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Maintenance, Support, and Learning | Platform Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Maintenance, Support, and Learning | Blue Planet Automation Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Maintenance, Support, and Learning | Global Services        
Disaggregation of Revenue [Line Items]        
Total revenue 89,286 79,442 176,837 154,014
Implementation        
Disaggregation of Revenue [Line Items]        
Total revenue 79,702 58,174 147,650 105,857
Implementation | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Implementation | Platform Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Implementation | Blue Planet Automation Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Implementation | Global Services        
Disaggregation of Revenue [Line Items]        
Total revenue 79,702 58,174 147,650 105,857
Advisory and Enablement        
Disaggregation of Revenue [Line Items]        
Total revenue 10,434 8,555 19,005 16,319
Advisory and Enablement | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Advisory and Enablement | Platform Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Advisory and Enablement | Blue Planet Automation Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Advisory and Enablement | Global Services        
Disaggregation of Revenue [Line Items]        
Total revenue $ 10,434 $ 8,555 $ 19,005 $ 16,319