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REVENUE (Tables)

9 Months Ended

Jul. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The tables below set forth Ciena’s disaggregated revenue for the respective periods (in thousands):

			Quarter Ended July 31, 2021
			Networking Platforms						Platform Software and Services						Blue Planet Automation Software and Services						Global Services						Total
Product lines:
Converged Packet Optical			$	712,906					$	—					$	—					$	—					$	712,906
Routing and Switching			69,698						—						—						—						69,698
Platform Software and Services			—						56,945						—						—						56,945
Blue Planet Automation Software and Services			—						—						16,607						—						16,607
Maintenance Support and Training			—						—						—						74,006						74,006
Installation and Deployment			—						—						—						46,653						46,653
Consulting and Network Design			—						—						—						11,326						11,326
Total revenue by product line			$	782,604					$	56,945					$	16,607					$	131,985					$	988,141
Timing of revenue recognition:
Products and services at a point in time			$	782,604					$	17,928					$	4,558					$	6,508					$	811,598
Services transferred over time			—						39,017						12,049						125,477						176,543
Total revenue by timing of revenue recognition			$	782,604					$	56,945					$	16,607					$	131,985					$	988,141

			Quarter Ended August 1, 2020
			Networking Platforms						Platform Software and Services						Blue Planet Automation Software and Services						Global Services						Total
Product lines:
Converged Packet Optical			$	722,512					$	—					$	—					$	—					$	722,512
Routing and Switching			79,756						—						—						—						79,756
Platform Software and Services			—						46,422						—						—						46,422
Blue Planet Automation Software and Services			—						—						11,297						—						11,297
Maintenance Support and Training			—						—						—						69,099						69,099
Installation and Deployment			—						—						—						39,798						39,798
Consulting and Network Design			—						—						—						7,828						7,828
Total revenue by product line			$	802,268					$	46,422					$	11,297					$	116,725					$	976,712
Timing of revenue recognition:
Products and services at a point in time			$	802,268					$	15,838					$	410					$	3,300					$	821,816
Services transferred over time			—						30,584						10,887						113,425						154,896
Total revenue by timing of revenue recognition			$	802,268					$	46,422					$	11,297					$	116,725					$	976,712

			Nine Months Ended July 31, 2021
			Networking Platforms						Platform Software and Services						Blue Planet Automation Software and Services						Global Services						Total
Product lines:
Converged Packet Optical			$	1,798,888					$	—					$	—					$	—					$	1,798,888
Routing and Switching			197,632						—						—						—						197,632
Platform Software and Services			—						163,472						—						—						163,472
Blue Planet Automation Software and Services			—						—						57,499						—						57,499
Maintenance Support and Training			—						—						—						212,054						212,054
Installation and Deployment			—						—						—						124,263						124,263
Consulting and Network Design			—						—						—						25,390						25,390
Total revenue by product line			$	1,996,520					$	163,472					$	57,499					$	361,707					$	2,579,198
Timing of revenue recognition:
Products and services at a point in time			$	1,996,520					$	54,756					$	20,497					$	9,776					$	2,081,549
Services transferred over time			—						108,716						37,002						351,931						497,649
Total revenue by timing of revenue recognition			$	1,996,520					$	163,472					$	57,499					$	361,707					$	2,579,198

			Nine Months Ended August 1, 2020
			Networking Platforms						Platform Software and Services						Blue Planet Automation Software and Services						Global Services						Total
Product lines:
Converged Packet Optical			$	1,968,355					$	—					$	—					$	—					$	1,968,355
Routing Switching			211,432						—						—						—						211,432
Platform Software and Services			—						143,295						—						—						143,295
Blue Planet Automation Software and Services			—						—						41,779						—						41,779
Maintenance Support and Training			—						—						—						202,370						202,370
Installation and Deployment			—						—						—						108,994						108,994
Consulting and Network Design			—						—						—						27,452						27,452
Total revenue by product line			$	2,179,787					$	143,295					$	41,779					$	338,816					$	2,703,677
Timing of revenue recognition:
Products and services at a point in time			$	2,179,787					$	45,930					$	8,891					$	12,174					$	2,246,782
Services transferred over time			—						97,365						32,888						326,642						456,895
Total revenue by timing of revenue recognition			$	2,179,787					$	143,295					$	41,779					$	338,816					$	2,703,677

For the periods below, Ciena’s geographic distribution of revenue was as follows (in thousands):

						Quarter Ended												Nine Months Ended
						July 31,						August 1,						July 31,						August 1,
						2021						2020						2021						2020
Geographic distribution:
Americas						$	692,853					$	713,340					$	1,776,939					$	1,937,725
EMEA						189,180						162,465						499,652						433,861
APAC						106,108						100,907						302,607						332,091
Total revenue by geographic distribution						$	988,141					$	976,712					$	2,579,198					$	2,703,677

For the periods below, the only customers that accounted for at least 10% of Ciena’s revenue were as follows (in thousands):

			Quarter Ended												Nine Months Ended
			July 31,						August 1,						July 31,						August 1,
			2021						2020						2021						2020
Verizon			$	131,892					n/a						n/a						$	272,200
Web-scale provider			119,728						n/a						n/a						n/a
AT&T			119,199						114,963						313,140						304,645
Total			$	370,819					$	114,963					$	313,140					$	576,845

n/a Denotes revenue representing less than 10% of total revenue for the period

Contract Balances

The following table provides information about receivables, contract assets and contract liabilities (deferred revenue) from contracts with customers (in thousands):

						Balance at July 31, 2021						Balance at October 31, 2020
Accounts receivable, net						$	878,229					$	719,405
Contract assets for unbilled accounts receivable, net						$	98,812					$	85,843
Deferred revenue						$	183,899					$	158,363

As of the dates indicated, deferred revenue is comprised of the following (in thousands):

			July 31, 2021						October 31, 2020
Products			$	13,380					$	17,534
Services			170,519						140,829
			183,899						158,363
Less current portion			(126,179)						(108,700)
Long-term deferred revenue			$	57,720					$	49,663

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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