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INTEREST AND OTHER INCOME, NET (Tables) | 9 Months Ended
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Aug. 02, 2025
Other Income and Expenses [Abstract] |
Schedule of Interest and Other Income, Net | The components of interest and other income, net, are as follows for the periods indicated (in thousands):
| Quarter Ended |  | Nine Months Ended
| August 2, |  | July 27, |  | August 2, |  | July 27,
| 2025 |  | 2024 |  | 2025 |  | 2024
Interest income | $ | 16,173 |  |  | $ | 15,876 |  |  | $ | 43,318 |  |  | $ | 46,309 |
Gains (losses) on non-hedge designated foreign currency forward contracts(1) | 744 |  |  | 519 |  |  | (1,593) |  |  | 2,517 |
Foreign currency exchange losses(2) | (1,796) |  |  | (1,611) |  |  | (4,799) |  |  | (11,215) |
Other | (31) |  |  | (771) |  |  | (2,387) |  |  | (1,151) |
Interest and other income, net | $ | 15,090 |  |  | $ | 14,013 |  |  | $ | 34,539 |  |  | $ | 36,460 |
(1) Ciena has forward contracts in place to hedge its foreign exchange exposure in order to reduce the variability in various currencies of certain balance sheet items. These forwards are not designated as hedges for accounting purposes, and any net gain or loss associated with these derivatives is reported in interest and other income, net, on the Condensed Consolidated Statements of Operations. (2) Ciena Corporation, as the U.S. parent entity, uses the U.S. Dollar as its functional currency; however, some of its foreign branch offices and subsidiaries use local currencies as their functional currencies. The related remeasurement adjustments were recorded in interest and other income, net, on the Condensed Consolidated Statements of Operations.

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- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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