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SEGMENTS AND ENTITY-WIDE DISCLOSURES
 9 Months Ended
Jul. 31, 2021
Segment Reporting [Abstract]  
SEGMENTS AND ENTITY-WIDE DISCLOSURES SEGMENTS AND ENTITY-WIDE DISCLOSURES
Segment Reporting
Ciena has the following operating segments for reporting purposes: (i) Networking Platforms; (ii) Platform Software and Services; (iii) Blue Planet Automation Software and Services; and (iv) Global Services.
Ciena's long-lived assets, including equipment, building, furniture and fixtures, ROU assets, finite-lived intangible assets and maintenance spares, are not reviewed by Ciena's chief operating decision maker for purposes of evaluating performance and allocating resources. As of July 31, 2021, equipment, building, furniture and fixtures, net, totaled $288.9 million, and operating ROU assets totaled $48.9 million both of which support asset groups within Ciena’s four operating segments and unallocated selling and general and administrative activities. 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 PlatformsPlatform Software and ServicesBlue Planet Automation Software and ServicesGlobal ServicesTotal
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 

Segment Profit (Loss)
Segment profit (loss) is determined based on internal performance measures used by Ciena’s chief executive officer to assess the performance of each operating segment in a given period. In connection with that assessment, the chief executive
officer excludes the following items: selling and marketing costs; general and administrative costs; significant asset impairments and restructuring costs; amortization of intangible assets; acquisition and integration costs (recoveries); interest and other income (loss), net; interest expense; loss on extinguishment and modification of debt and provision (benefit) for income taxes.
The table below sets forth Ciena’s segment profit (loss) and the reconciliation to consolidated net income for the periods indicated (in thousands):
Quarter EndedNine Months Ended
 July 31,August 1,July 31,August 1,
 2021202020212020
Segment profit (loss):
Networking Platforms$244,535 $262,801 $612,378 $642,057 
Platform Software and Services31,526 24,299 95,692 74,918 
Blue Planet Automation Software and Services(3,243)(5,316)11 (12,828)
Global Services55,507 52,676 147,567 151,744 
Total segment profit328,325 334,460 855,648 855,891 
Less: Non-performance operating expenses 
  Selling and marketing114,924 94,763 322,589 303,043 
  General and administrative48,863 41,635 132,491 126,133 
  Significant asset impairments and restructuring costs9,789 6,515 23,865 14,798 
  Amortization of intangible assets5,967 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 

Entity-Wide Reporting
The following table reflects Ciena’s geographic distribution of equipment, building, furniture and fixtures, net, and operating ROU assets, with any country accounting for at least 10% of total equipment, building, furniture and fixtures, net, and operating ROU assets specifically identified. Equipment, building, furniture and fixtures, net, and operating ROU assets attributable to geographic regions outside of the U.S. and Canada are reflected as “Other International.” 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 States54,050 65,321 
Other International41,329 49,894 
Total$337,874 $329,403