REVENUE (Tables)

6 Months Ended

Apr. 30, 2022

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 April 30, 2022
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	625,294	$	—	$	—	$	—	$	625,294
Routing and Switching	109,186		—		—		—		109,186
Platform Software and Services	—		69,157		—		—		69,157
Blue Planet Automation Software and Services	—		—		16,881		—		16,881
Maintenance Support and Training	—		—		—		74,019		74,019
Installation and Deployment	—		—		—		41,430		41,430
Consulting and Network Design	—		—		—		13,260		13,260
Total revenue by product line	$	734,480	$	69,157	$	16,881	$	128,709	$	949,227
Timing of revenue recognition:
Products and services at a point in time	$	734,480	$	21,743	$	4,036	$	13,469	773,728
Services transferred over time	—		$	47,414	$	12,845	$	115,240	175,499
Total revenue by timing of revenue recognition	$	734,480	$	69,157	$	16,881	$	128,709	$	949,227

	Quarter Ended May 01, 2021
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	573,657	$	—	$	—	$	—	$	573,657
Routing and Switching	63,628		—		—		—		63,628
Platform Software and Services	—		56,688		—		—		56,688
Blue Planet Automation Software and Services	—		—		23,958		—		23,958
Maintenance Support and Training	—		—		—		70,418		70,418
Installation and Deployment	—		—		—		37,999		37,999
Consulting and Network Design	—		—		—		7,579		7,579
Total revenue by product line	$	637,285	$	56,688	$	23,958	$	115,996	$	833,927
Timing of revenue recognition:
Products and services at a point in time	$	637,285	$	20,765	$	10,765	$	1,411	$	670,226
Services transferred over time	—		35,923		13,193		114,585		163,701
Total revenue by timing of revenue recognition	$	637,285	$	56,688	$	23,958	$	115,996	$	833,927

	Six Months Ended April 30, 2022
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	1,166,230	$	—	$	—	$	—	$	1,166,230
Routing and Switching	194,896		—		—		—		194,896
Platform Software and Services	—		142,074		—		—		142,074
Blue Planet Automation Software and Services	—		—		37,992		—		37,992
Maintenance Support and Training	—		—		—		146,509		146,509
Installation and Deployment	—		—		—		81,800		81,800
Consulting and Network Design	—		—		—		24,169		24,169
Total revenue by product line	$	1,361,126	$	142,074	$	37,992	$	252,478	$	1,793,670
Timing of revenue recognition:
Products and services at a point in time	$	1,361,126	$	51,424	$	12,810	$	21,960	$	1,447,320
Services transferred over time	—		90,650		25,182		230,518		346,350
Total revenue by timing of revenue recognition	$	1,361,126	$	142,074	$	37,992	$	252,478	$	1,793,670

	Six Months Ended May 01, 2021
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	1,085,981	$	—	$	—	$	—	$	1,085,981
Routing and Switching	127,934		—		—		—		127,934
Platform Software and Services	—		106,527		—		—		106,527
Blue Planet Automation Software and Services	—		—		40,892		—		40,892
Maintenance Support and Training	—		—		—		138,049		138,049
Installation and Deployment	—		—		—		77,610		77,610
Consulting and Network Design	—		—		—		14,064		14,064
Total revenue by product line	$	1,213,915	$	106,527	$	40,892	$	229,723	$	1,591,057
Timing of revenue recognition:
Products and services at a point in time	$	1,213,915	$	36,828	$	15,939	$	3,268	$	1,269,950
Services transferred over time	—		69,699		24,953		226,455		321,107
Total revenue by timing of revenue recognition	$	1,213,915	$	106,527	$	40,892	$	229,723	$	1,591,057

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

	Quarter Ended				Six Months Ended
	April 30,		May 1,		April 30,		May 1,
	2022		2021		2022		2021
Geographic distribution:
Americas	$	700,840	$	587,475	$	1,295,984	$	1,084,086
EMEA	145,106		155,054		295,891		310,472
APAC	103,281		91,398		201,795		196,499
Total revenue by geographic distribution	$	949,227	$	833,927	$	1,793,670	$	1,591,057

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

	Quarter Ended			Six Months Ended
	April 30,		May 1,	April 30,	May 1,
	2022		2021	2022	2021
AT&T	$	103,189	125,138	214,065	193,941

Contract Balances

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

	Balance at April 30, 2022		Balance at October 30, 2021
Accounts receivable, net	$	774,896	$	884,958
Contract assets for unbilled accounts receivable, net	$	144,344	$	101,355
Deferred revenue	$	218,769	$	175,464

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

	April 30, 2022		October 30, 2021
Products	$	19,911	$	12,859
Services	198,858		162,605
Total deferred revenue	218,769		175,464
Less current portion	(156,400)		(118,007)
Long-term deferred revenue	$	62,369	$	57,457