XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 27, 2024 | Apr. 29, 2023 | Apr. 27, 2024 | Apr. 29, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 910,826 | $ 1,132,655 | $ 1,948,535 | $ 2,189,176
Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 712,227 | 951,047 | 1,557,863 | 1,838,287
Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 198,599 | 181,608 | 390,672 | 350,889
Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 676,258 | 914,859 | 1,483,493 | 1,769,997
Networking Platforms | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 676,258 | 914,859 | 1,483,493 | 1,769,997
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 | 85,445 | 69,443 | 175,190 | 142,888
Platform Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 22,689 | 13,447 | 50,383 | 32,311
Platform Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 62,756 | 55,996 | 124,807 | 110,577
Blue Planet Automation Software and Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 14,434 | 20,567 | 28,376 | 35,973
Blue Planet Automation Software and Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 2,848 | 7,329 | 3,916 | 11,312
Blue Planet Automation Software and Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 11,586 | 13,238 | 24,460 | 24,661
Global Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 134,689 | 127,786 | 261,476 | 240,318
Global Services | Products and services at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 10,432 | 15,412 | 20,071 | 24,667
Global Services | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 124,257 | 112,374 | 241,405 | 215,651
Optical Networking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 560,224 | 784,549 | 1,256,072 | 1,520,183
Optical Networking | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 560,224 | 784,549 | 1,256,072 | 1,520,183
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 | 116,034 | 130,310 | 227,421 | 249,814
Routing and Switching | Networking Platforms |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 116,034 | 130,310 | 227,421 | 249,814
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 | 85,445 | 69,443 | 175,190 | 142,888
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 | 85,445 | 69,443 | 175,190 | 142,888
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 | 14,434 | 20,567 | 28,376 | 35,973
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 | 14,434 | 20,567 | 28,376 | 35,973
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 | 77,410 | 73,160 | 151,525 | 141,051
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 | 77,410 | 73,160 | 151,525 | 141,051
Installation and Deployment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 43,785 | 39,486 | 86,509 | 74,061
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 | 43,785 | 39,486 | 86,509 | 74,061
Consulting and Network Design |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 13,494 | 15,140 | 23,442 | 25,206
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 | $ 13,494 | $ 15,140 | $ 23,442 | $ 25,206

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 91 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479777/606-10-55-91 + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-05(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479557/942-235-S99-1 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cien_NetworkingPlatformsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cien_PlatformSoftwareandServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cien_BluePlanetAutomationSoftwareandServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cien_GlobalServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_OpticalNetworkingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_RoutingAndSwitchingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_PlatformSoftwareandServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_BluePlanetAutomationSoftwareandServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_MaintenanceSupportAndTrainingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_InstallationAndDeploymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=cien_ConsultingAndNetworkDesignMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |