Segments and Entity-Wide Disclosures (Tables)

6 Months Ended

Apr. 30, 2019

Segment Reporting [Abstract]

Schedule of 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,
	2019		2018		2019		2018
Revenue:
Networking Platforms
Converged Packet Optical	$	623,838	$	527,867	$	1,172,835	$	955,297
Packet Networking	73,138		63,815		144,707		132,418
Total Networking Platforms	696,976		591,682		1,317,542		1,087,715
Software and Software-Related Services
Platform Software and Services	35,229		36,393		76,827		80,529
Blue Planet Automation Software and Services	12,473		2,352		27,447		11,703
Total Software and Software-Related Services	47,702		38,745		104,274		92,232
Global Services
Maintenance Support and Training	68,788		60,904		130,065		116,862
Installation and Deployment	41,322		28,209		71,944		58,225
Consulting and Network Design	10,223		10,438		19,713		21,079
Total Global Services	120,333		99,551		221,722		196,166
Consolidated revenue	$	865,011	$	729,978	$	1,643,538	$	1,376,113

Schedule of 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 (loss) during the respective periods indicated:

	Quarter Ended April 30,						Six Months Ended April 30,
	2019			2018			2019			2018
Segment profit:
Networking Platforms	$	175,191		$	126,823		$	311,782		$	215,392
Software and Software-Related Services	6,536			8,276			24,952			31,911
Global Services	54,981			41,284			94,682			82,321
Total segment profit	236,708			176,383			431,416			329,624
Less: Non-performance operating expenses
Selling and marketing	103,502			97,359			201,615			185,874
General and administrative	42,154			38,976			81,397			77,382
Amortization of intangible assets	5,529			3,623			11,057			7,246
Significant asset impairments and restructuring costs	4,068			4,359			6,341			10,320
Acquisition and integration costs	1,135			—			2,743			—
Add: Other non-performance financial items
Interest expense and other income (loss), net	(9,715		)	(11,735		)	(14,903		)	(23,894		)
Less: Provision for income taxes	17,867			6,475			27,006			484,415
Consolidated net income (loss)	$	52,738		$	13,856		$	86,354		$	(459,507	)

Schedule of Ciena's Geographic Distribution of Revenue and Long-Lived Assets

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

	April 30, 2019		October 31, 2018
Canada	$	196,069	$	198,028
United States	67,633		75,479
Other International	18,320		18,560
Total	$	282,022	$	292,067

Schedule of Revenue by Major Customers by Reporting Segments

For the periods below, AT&T, Verizon and a Web-scale provider were the only customers that accounted for at least 10% of Ciena’s revenue as follows (in thousands):

	Quarter Ended April 30,				Six Months Ended April 30,
	2019		2018		2019		2018
AT&T	$	108,416	$	85,419	$	202,587	$	176,065
Verizon	106,350		n/a		195,125		n/a
Web-scale provider	n/a		n/a		174,853		n/a
Total	$	214,766	$	85,419	$	572,565	$	176,065

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