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GOODWILL (Tables) | 9 Months Ended
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Jul. 29, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The following table presents the goodwill allocated to Ciena’s operating segments as of July 29, 2023 and October 29, 2022, as well as the changes to goodwill during the first nine months of fiscal 2023 (in thousands):
|  | Balance at October 29, 2022 |  | Acquisitions |  | Impairments |  | Translation |  | Balance at July 29, 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 |  |  | — |  |  | 277 |  |  | 201,356 |
Total |  | $ | 328,322 |  |  | $ | 117,997 |  |  | $ | — |  |  | $ | 277 |  |  | $ | 446,596 |

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