Segment and Entity Wide Disclosures (Tables)

12 Months Ended

Oct. 31, 2018

Segment Reporting [Abstract]

Segment revenue

The table below (in thousands, except percentage data) sets forth Ciena’s segment revenue for the respective periods indicated:

	Year Ended October 31,
	2018		2017		2016
Revenue:
Networking Platforms
Converged Packet Optical	$	2,194,519	$	1,939,621	$	1,815,921
Packet Networking	283,499		313,089		252,862
Total Networking Platforms	2,478,018		2,252,710		2,068,783
Software and Software-Related Services
Platform Software and Services	173,949		145,009		117,251
Blue Planet Automation Software and Services	26,764		16,110		7,818
Total Software and Software-Related Services	200,713		161,119		125,069
Global Services
Maintenance Support and Training	245,161		227,400		228,982
Installation and Deployment	128,829		117,524		130,916
Consulting and Network Design	41,565		42,934		46,823
Total Global Services	415,555		387,858		406,721
Total revenue	$	3,094,286	$	2,801,687	$	2,600,573

Segment profit (loss) and the reconciliation to consolidated net income (loss)

The table below (in thousands) sets forth Ciena’s segment profit and the reconciliation to consolidated net income during the respective periods indicated:

	Year Ended October 31,
	2018			2017			2016
Segment profit:
Networking Platforms	$	581,113		$	578,039		$	544,744
Software and Software-Related Services	69,808			32,536			7,123
Global Services	172,205			159,882			157,915
Total segment profit	823,126			770,457			709,782
Less: non-performance operating expenses
Selling and marketing	394,060			356,169			349,731
General and administrative	160,133			142,604			132,828
Amortization of intangible assets	15,737			33,029			61,508
Acquisition and integration costs	5,111			—			4,613
Significant asset impairments and restructuring costs	18,139			23,933			4,933
Add: other non-performance financial items
Interest and other income (loss), net	(12,029		)	913			(12,569		)
Interest expense	(55,249		)	(55,852		)	(56,656		)
Loss on extinguishment and modification of debt	(13,887		)	(3,657		)	(226		)
Less: Provision (benefit) for income taxes	493,471			(1,105,827		)	14,134
Total net income (loss)	$	(344,690	)	$	1,261,953		$	72,584

Ciena's geographic distribution of revenue and long-lived assets

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

	Year Ended October 31,
	2018		2017		2016
North America	$	1,886,450	$	1,736,047	$	1,689,263
EMEA	464,876		404,099		393,705
CALA	140,177		164,308		195,085
APAC	602,783		497,233		322,520
Total	$	3,094,286	$	2,801,687	$	2,600,573

For the periods below, Ciena’s geographic distribution of equipment, building, furniture and fixtures, net, was as follows (in thousands):

	October 31,
	2018		2017
Canada	$	198,028	$	203,491
United States	75,479		90,482
Other International	18,560		14,492
Total	$	292,067	$	308,465

Schedule of revenue by major customers by reporting segments

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

	October 31,
	2018		2017		2016
AT&T	$	374,576	$	448,943	$	479,077
Verizon	318,013		288,048		n/a
Total	$	692,589	$	736,991	$	479,077

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