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INVENTORIES

9 Months Ended

Aug. 02, 2025

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIES

As of the dates indicated, inventories are comprised of the following (in thousands):

			August 2, 2025						November 2, 2024
Raw materials			$	642,706					$	542,785
Work-in-process			35,611						32,219
Finished goods			261,732						324,697
Deferred cost of goods sold			41,831						27,902
Gross inventories			981,880						927,603
Reserve for inventory excess and obsolescence			(121,477)						(107,173)
Inventories, net			$	860,403					$	820,430

During the first nine months of fiscal 2025, Ciena recorded a provision for inventory excess and obsolescence of $34.2 million, primarily related to a decrease in the forecasted demand for certain Networking Platforms products. Deductions from the reserve for excess and obsolete inventory relate primarily to sales and disposal activities.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 330
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/330/tableOfContent

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