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SEGMENTS AND ENTITY-WIDE DISCLOSURES (Tables) | 3 Months Ended
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Jan. 27, 2024
Segment Reporting [Abstract] |
Schedule of Reconciliation of Assets From Segment to Consolidated | As of January 27, 2024, finite-lived intangible assets, goodwill, and maintenance spares are assigned to asset groups within the following segments (in thousands):
| January 27, 2024
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Other intangible assets, net | $ | 181,155 |  |  | — |  |  | 14,527 |  |  | — |  |  | $ | 195,682 |
Goodwill | $ | 199,844 |  |  | 156,191 |  |  | 89,049 |  |  | — |  |  | $ | 445,084 |
Maintenance spares, net | $ | — |  |  | — |  |  | — |  |  | 56,266 |  |  | $ | 56,266 |
Schedule of Segment Profit (Loss) and the Reconciliation to Consolidated Net Income (Loss) | The table below sets forth Ciena’s segment profit (loss) and the reconciliation to net income for the periods indicated (in thousands):
| Quarter Ended |  |
| January 27, |  | January 28, |  |  |  |
| 2024 |  | 2023 |  |  |  |
Segment profit (loss): |  |  |  |  |  |  |
Networking Platforms | $ | 183,775 |  |  | $ | 202,147 |  |  |  |  |
Platform Software and Services | 58,004 |  |  | 45,650 |  |  |  |  |
Blue Planet Automation Software and Services | (7,069) |  |  | (11,059) |  |  |  |  |
Global Services | 44,983 |  |  | 37,478 |  |  |  |  |
Total segment profit | 279,693 |  |  | 274,216 |  |  |  |  |
Less: Non-performance operating expenses |  |  |  |  |  |  |
Selling and marketing | 128,158 |  |  | 123,807 |  |  |  |  |
General and administrative | 54,683 |  |  | 50,896 |  |  |  |  |
Significant asset impairments and restructuring costs | 4,971 |  |  | 4,298 |  |  |  |  |
Amortization of intangible assets | 7,252 |  |  | 7,441 |  |  |  |  |
Acquisition and integration costs | — |  |  | 2,558 |  |  |  |  |
Add: Other non-performance financial items |  |  |  |  |  |  |
Interest and other income, net | 10,650 |  |  | 31,973 |  |  |  |  |
Interest expense | (23,776) |  |  | (15,870) |  |  |  |  |
Less: Provision for income taxes | 21,956 |  |  | 25,078 |  |  |  |  |
Net income | $ | 49,547 |  |  | $ | 76,241 |  |  |  |  |
Schedule of Ciena's Geographic Distribution of Revenue and Long-Lived Assets | For the periods indicated, Ciena’s geographic distribution of equipment, building, furniture and fixtures, net, and operating ROU assets was as follows (in thousands):
| January 27, 2024 |  | October 28, 2023
Canada | $ | 230,712 |  |  | $ | 229,707 |
United States | 47,231 |  |  | 46,933 |
Other International | 38,093 |  |  | 38,647 |
Total | $ | 316,036 |  |  | $ | 315,287 |

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