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INVENTORIES | 9 Months Ended
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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 + Details
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