SEGMENTS AND ENTITY-WIDE DISCLOSURES (Tables)

6 Months Ended

Apr. 27, 2024

Segment Reporting [Abstract]

Schedule of Reconciliation of Assets From Segment to Consolidated

As of April 27, 2024, finite-lived intangible assets, goodwill, and maintenance spares are assigned to asset groups within the following segments (in thousands):

	April 27, 2024
	Networking Platforms		Platform Software and Services	Blue Planet Automation Software and Services	Global Services	Total
Other intangible assets, net	$	173,232	—	11,709	—	$	184,941
Goodwill	$	199,677	156,191	89,049	—	$	444,917
Maintenance spares, net	$	—	—	—	62,331	$	62,331

Schedule of Segment Profit (Loss) and the Reconciliation to Consolidated Net Income (Loss)

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

	Quarter Ended				Six Months Ended
	April 27,		April 29,		April 27,		April 29,
	2024		2023		2024		2023
Segment profit (loss):
Networking Platforms	$	96,566	$	214,754	$	280,341	$	416,901
Platform Software and Services	54,037		40,687		112,041		86,337
Blue Planet Automation Software and Services	(7,763)		(6,912)		(14,832)		(17,971)
Global Services	50,441		49,161		95,424		86,639
Total segment profit	193,281		297,690		472,974		571,906
Less: Non-performance operating expenses
Selling and marketing	124,071		125,083		252,229		248,890
General and administrative	49,573		50,939		104,256		101,835
Significant asset impairments and restructuring costs	15,655		8,153		20,626		12,451
Amortization of intangible assets	7,947		9,845		15,199		17,286
Acquisition and integration costs	—		857		—		3,415
Add: Other non-performance financial items
Interest and other income, net	11,797		8,551		22,447		40,524
Interest expense	(23,861)		(23,889)		(47,637)		(39,759)
Less: Provision for income taxes	820		29,821		22,776		54,899
Net income (loss)	$	(16,849)	$	57,654	$	32,698	$	133,895

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

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

	April 27, 2024		October 28, 2023
Canada	$	224,826	$	229,707
United States	46,288		46,933
Other International	33,449		38,647
Total	$	304,563	$	315,287