XML 30 R20.htm IDEA: XBRL DOCUMENT
v3.22.4

GOODWILL | 3 Months Ended
--- | ---
Jan. 28, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL | GOODWILL The following table presents the goodwill allocated to Ciena’s operating segments as of January 28, 2023 and October 29, 2022, as well as the changes to goodwill during first quarter of fiscal 2023 (in thousands):
|  | Balance at October 29, 2022 |  | Acquisitions |  | Impairments |  | Translation |  | Balance at January 28, 2023
Platform Software and Services |  | $ | 156,191 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 156,191 |
Blue Planet Automation Software and Services |  | 89,049 |  |  | — |  |  | — |  |  | — |  |  | 89,049 |
Networking Platforms |  | 83,082 |  |  | 117,997 |  |  | — |  |  | 229 |  |  | 201,308 |
Total |  | $ | 328,322 |  |  | $ | 117,997 |  |  | $ | — |  |  | $ | 229 |  |  | $ | 446,548 |

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI https://asc.fasb.org/topic&trid=2144416 + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration