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SEGMENTS AND ENTITY-WIDE DISCLOSURES (Tables) | 9 Months Ended
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Jul. 31, 2021
Segment Reporting [Abstract] |
Reconciliation of Assets From Segment to Consolidated | As of July 31, 2021, finite-lived intangible assets, goodwill and maintenance spares are assigned to asset groups within the following segments (in thousands):
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Other intangible assets, net | $ | 9,865 |  |  | $ | — |  |  | $ | 64,109 |  |  | $ | — |  |  | $ | 73,974 |
Goodwill | $ | 66,329 |  |  | $ | 156,191 |  |  | $ | 89,049 |  |  | $ | — |  |  | $ | 311,569 |
Maintenance spares, net | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 61,048 |  |  | $ | 61,048 |
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 consolidated net income for the periods indicated (in thousands):
| Quarter Ended |  | Nine Months Ended
| July 31, |  | August 1, |  | July 31, |  | August 1,
| 2021 |  | 2020 |  | 2021 |  | 2020
Segment profit (loss): |  |  |  |  |  |  |
Networking Platforms | $ | 244,535 |  |  | $ | 262,801 |  |  | $ | 612,378 |  |  | $ | 642,057 |
Platform Software and Services | 31,526 |  |  | 24,299 |  |  | 95,692 |  |  | 74,918 |
Blue Planet Automation Software and Services | (3,243) |  |  | (5,316) |  |  | 11 |  |  | (12,828) |
Global Services | 55,507 |  |  | 52,676 |  |  | 147,567 |  |  | 151,744 |
Total segment profit | 328,325 |  |  | 334,460 |  |  | 855,648 |  |  | 855,891 |
Less: Non-performance operating expenses |  |  |  |  |  |  |
Selling and marketing | 114,924 |  |  | 94,763 |  |  | 322,589 |  |  | 303,043 |
General and administrative | 48,863 |  |  | 41,635 |  |  | 132,491 |  |  | 126,133 |
Significant asset impairments and restructuring costs | 9,789 |  |  | 6,515 |  |  | 23,865 |  |  | 14,798 |
Amortization of intangible assets | 5,967 |  |  | 5,840 |  |  | 17,896 |  |  | 17,532 |
Acquisition and integration costs (recoveries) | 259 |  |  | (2,329) |  |  | 860 |  |  | 904 |
Add: Other non-performance financial items |  |  |  |  |  |  |
Interest expense and other income (loss), net | (6,981) |  |  | (7,019) |  |  | (24,521) |  |  | (22,713) |
Loss on extinguishment and modification of debt | — |  |  | — |  |  | — |  |  | (646) |
Less: Provision (benefit) for income taxes | (96,690) |  |  | 38,750 |  |  | (63,271) |  |  | 73,872 |
Consolidated net income | $ | 238,232 |  |  | $ | 142,267 |  |  | $ | 396,697 |  |  | $ | 296,250 |
Schedule of Ciena's Geographic Distribution of Revenue and Long-Lived Assets | For the periods below, Ciena’s geographic distribution of equipment, building, furniture and fixtures, net, and operating ROU assets was as follows (in thousands):
| July 31, 2021 |  | October 31, 2020
Canada | $ | 242,495 |  |  | $ | 214,188 |
United States | 54,050 |  |  | 65,321 |
Other International | 41,329 |  |  | 49,894 |
Total | $ | 337,874 |  |  | $ | 329,403 |

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