REVENUE (Tables)

12 Months Ended

Oct. 29, 2022

Revenue from Contract with Customer [Abstract]

Schedule Of Disaggregation of revenue

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

	Year Ended October 29, 2022
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	2,379,931	$	—	$	—	$	—	$	2,379,931
Routing and Switching	398,439		—		—		—		398,439
Platform Software and Services	—		277,191		—		—		277,191
Blue Planet Automation Software and Services	—		—		76,567		—		76,567
Maintenance Support and Training	—		—		—		292,375		292,375
Installation and Deployment	—		—		—		157,443		157,443
Consulting and Network Design	—		—		—		50,715		50,715
Total revenue by product line	$	2,778,370	$	277,191	$	76,567	$	500,533	$	3,632,661
Timing of revenue recognition:
Products and services at a point in time	$	2,778,370	$	85,691	$	25,540	$	44,091	$	2,933,692
Products and services transferred over time	—		191,500		51,027		456,442		698,969
Total revenue by timing of revenue recognition	$	2,778,370	$	277,191	$	76,567	$	500,533	$	3,632,661

	Year Ended October 30, 2021
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	2,553,509	$	—	$	—	$	—	$	2,553,509
Routing and Switching	271,796		—		—		—		271,796
Platform Software and Services	—		229,588		—		—		229,588
Blue Planet Automation Software and Services	—		—		77,247		—		77,247
Maintenance Support and Training	—		—		—		283,350		283,350
Installation and Deployment	—		—		—		171,489		171,489
Consulting and Network Design	—		—		—		33,705		33,705
Total revenue by product line	$	2,825,305	$	229,588	$	77,247	$	488,544	$	3,620,684
Timing of revenue recognition:
Products and services at a point in time	$	2,825,305	$	80,359	$	27,621	$	14,923	$	2,948,208
Products and services transferred over time	—		149,229		49,626		473,621		672,476
Total revenue by timing of revenue recognition	$	2,825,305	$	229,588	$	77,247	$	488,544	$	3,620,684

	Year Ended October 31, 2020
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	2,547,647	$	—	$	—	$	—	$	2,547,647
Routing and Switching	267,416		—		—		—		267,416
Platform Software and Services	—		197,809		—		—		197,809
Blue Planet Automation Software and Services	—		—		62,632		—		62,632
Maintenance Support and Training	—		—		—		269,354		269,354
Installation and Deployment	—		—		—		152,003		152,003
Consulting and Network Design	—		—		—		35,296		35,296
Total revenue by product line	$	2,815,063	$	197,809	$	62,632	$	456,653	$	3,532,157
Timing of revenue recognition:
Products and services at a point in time	$	2,815,063	$	69,099	$	19,583	$	14,363	$	2,918,108
Products and services transferred over time	—		128,710		43,049		442,290		614,049
Total revenue by timing of revenue recognition	$	2,815,063	$	197,809	$	62,632	$	456,653	$	3,532,157

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

	Year Ended
	October 29, 2022		October 30, 2021		October 31, 2020
Geographic distribution:
Americas	$	2,636,840	$	2,525,619	$	2,469,278
EMEA	555,215		670,462		591,468
APAC	440,606		424,603		471,411
Total revenue by geographic distribution	$	3,632,661	$	3,620,684	$	3,532,157

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

	October 29, 2022		October 30, 2021		October 31, 2020
AT&T	$	433,418	$	447,403	$	373,163
Verizon	402,787		n/a		n/a
Total	$	836,205	$	447,403	$	373,163

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

Schedule Of Contract balances

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

	Balance at October 29, 2022		Balance at October 30, 2021
Accounts receivable, net	$	920,772	$	884,958
Contract assets for unbilled accounts receivable, net	$	156,039	$	101,355
Deferred revenue	$	200,235	$	175,464

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

	October 29, 2022		October 30, 2021
Products	$	19,814	$	12,859
Services	180,421		162,605
Total deferred revenue	200,235		175,464
Less current portion	(137,899)		(118,007)
Long-term deferred revenue	$	62,336	$	57,457