Revenue (Tables)

12 Months Ended

Oct. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Year Ended October 31, 2019
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	2,562,841	$	—	$	—	$	—	$	2,562,841
Packet Networking	348,477		—		—		—		348,477
Platform Software and Services	—		155,376		—		—		155,376
Blue Planet Automation Software and Services	—		—		54,555		—		54,555
Maintenance Support and Training	—		—		—		261,337		261,337
Installation and Deployment	—		—		—		148,233		148,233
Consulting and Network Design	—		—		—		41,312		41,312
Total revenue by product line	$	2,911,318	$	155,376	$	54,555	$	450,882	$	3,572,131
Timing of revenue recognition:
Products and services at a point in time	$	2,911,318	$	55,530	$	17,697	$	18,802	$	3,003,347
Products and services transferred over time	—		99,846		36,858		432,080		568,784
Total revenue by timing of revenue recognition	$	2,911,318	$	155,376	$	54,555	$	450,882	$	3,572,131

	Year Ended October 31, 2019
Geographic Distribution:
North America	$	2,351,260
EMEA	566,718
CALA	152,653
APAC	501,500
Total revenue by geographic distribution	$	3,572,131

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 31, 2019		Adjusted Balance at November 1, 2018
Accounts receivable, net	$	724,854	$	799,011
Contract assets	$	84,046	$	31,380
Deferred revenue	$	156,873	$	140,704

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

	October 31,
	2019			2018
Products	$	27,366		$	42,474
Services	129,507			126,983
	156,873			169,457
Less current portion	(111,381		)	(111,134		)
Long-term deferred revenue	$	45,492		$	58,323