SEGMENTS AND ENTITY WIDE DISCLOSURES (Tables)

6 Months Ended

Apr. 30, 2017

Segment Reporting [Abstract]

Segment revenue

The table below (in thousands) sets forth Ciena’s segment revenue for the respective periods:

	Quarter Ended April 30,				Six Months Ended April 30,
	2017		2016		2017		2016
Revenue:
Networking Platforms
Converged Packet Optical	$	502,131	$	435,173	$	914,783	$	824,341
Packet Networking	66,326		68,582		138,520		116,779
Optical Transport	3,030		8,451		8,128		20,596
Total Networking Platforms	571,487		512,206		1,061,431		961,716
Software and Software-Related Services
Software Platforms	13,143		11,772		30,192		19,851
Software-Related Services	24,573		18,701		46,904		36,048
Total Software and Software-Related Services	37,716		30,473		77,096		55,899
Global Services
Maintenance Support and Training	58,241		57,069		113,231		113,127
Installation and Deployment	28,695		30,232		56,614		61,072
Consulting and Network Design	10,883		10,737		20,147		22,018
Total Global Services	97,819		98,038		189,992		196,217
Consolidated revenue	$	707,022	$	640,717	$	1,328,519	$	1,213,832

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

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

	Quarter Ended April 30,						Six Months Ended April 30,
	2017			2016			2017			2016
Segment profit (loss):
Networking Platforms	$	150,464		$	132,606		$	264,210		$	239,588
Software and Software-Related Services	4,551			192			12,252			(3,382		)
Global Services	41,602			35,692			77,071			75,688
Total segment profit	196,617			168,490			353,533			311,894
Less: Non-performance operating expenses
Selling and marketing	88,551			86,668			173,553			169,146
General and administrative	34,990			35,203			70,854			66,345
Amortization of intangible assets	10,980			15,566			25,531			32,428
Acquisition and integration costs	—			2,285			—			3,584
Restructuring costs	4,276			535			6,671			919
Add: Other non-performance financial items
Interest expense and other income (loss), net	(16,226		)	(11,641		)	(31,059		)	(33,127		)
Less: Provision for income taxes	3,568			2,595			3,978			3,894
Consolidated net income	$	38,026		$	13,997		$	41,887		$	2,451

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

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

	April 30, 2017		October 31, 2016
United States	$	99,694	$	103,018
Canada	188,804		173,885
Other International	11,294		11,503
Total	$	299,792	$	288,406

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

	Quarter Ended April 30,				Six Months Ended April 30,
	2017		2016		2017		2016
North America	$	424,373	$	395,505	$	830,301	$	788,209
EMEA	105,776		96,175		197,319		176,897
CALA	33,971		57,896		69,117		101,706
APAC	142,902		91,141		231,782		147,020
Total	$	707,022	$	640,717	$	1,328,519	$	1,213,832

Schedule of revenue by major customers by reporting segments

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

	Quarter Ended April 30,				Six Months Ended April 30,
	2017		2016		2017		2016
AT&T	$	107,532	$	116,014	$	203,969	$	242,614