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GOODWILL (Tables)

12 Months Ended

Oct. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill allocated by reportable segments

The following table presents the goodwill allocated to Ciena’s operating segments as of October 30, 2021 and October 31, 2020, as well as the changes to goodwill during fiscal 2021 (in thousands):

			Balance at October 31, 2020						Acquisitions						Impairments						Translation						Balance at October 30, 2021
Platform Software and Services			$	156,191					$	—					$	—					$	—					$	156,191
Blue Planet Automation Software and Services			89,049						—						—						—						89,049
Networking Platforms			65,607						—						—						798						66,405
Total			$	310,847					$	—					$	—					$	798					$	311,645

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- References

No definition available.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267

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