v3.26.1
REVENUE - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Aug. 01, 2026
Aug. 02, 2025
Aug. 01, 2026
Aug. 02, 2025
Disaggregation of Revenue [Line Items]        
Total revenue $ 1,671,129 $ 1,219,385 $ 4,668,910 $ 3,417,523
Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 1,427,216 987,350 3,957,869 2,760,700
Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 243,913 232,035 711,041 656,823
Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 1,355,675 941,354 3,778,921 2,628,811
Networking Platforms | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 1,355,675 941,354 3,778,921 2,628,811
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 98,657 89,961 285,919 270,469
Platform Software and Services | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 30,403 24,281 88,999 75,260
Platform Software and Services | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 68,254 65,680 196,920 195,209
Blue Planet Automation Software and Services        
Disaggregation of Revenue [Line Items]        
Total revenue 23,205 27,805 66,986 81,787
Blue Planet Automation Software and Services | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 4,955 11,909 15,336 32,846
Blue Planet Automation Software and Services | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 18,250 15,896 51,650 48,941
Global Services        
Disaggregation of Revenue [Line Items]        
Total revenue 193,592 160,265 537,084 436,456
Global Services | Products and services at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenue 36,183 9,806 74,613 23,783
Global Services | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenue 157,409 150,459 462,471 412,673
Optical Networking        
Disaggregation of Revenue [Line Items]        
Total revenue 1,191,307 815,497 3,314,317 2,317,062
Optical Networking | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 1,191,307 815,497 3,314,317 2,317,062
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 164,368 125,857 464,604 311,749
Routing and Switching | Networking Platforms        
Disaggregation of Revenue [Line Items]        
Total revenue 164,368 125,857 464,604 311,749
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 98,657 89,961 285,919 270,469
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 98,657 89,961 285,919 270,469
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 23,205 27,805 66,986 81,787
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 23,205 27,805 66,986 81,787
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 89,851 80,743 266,687 234,758
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 89,851 80,743 266,687 234,758
Implementation        
Disaggregation of Revenue [Line Items]        
Total revenue 87,871 65,878 235,522 171,735
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 87,871 65,878 235,522 171,735
Advisory and Enablement        
Disaggregation of Revenue [Line Items]        
Total revenue 15,870 13,644 34,875 29,963
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 $ 15,870 $ 13,644 $ 34,875 $ 29,963