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INTEREST AND OTHER INCOME, NET
 6 Months Ended
Apr. 29, 2023
Other Income and Expenses [Abstract]  
INTEREST AND OTHER INCOME, NET INTEREST AND OTHER INCOME, NET
The components of interest and other income, net, are as follows for the periods indicated (in thousands):
Quarter EndedSix Months Ended
April 29,April 30,April 29,April 30,
2023202220232022
Interest income$10,416 $1,434 $17,530 $2,188 
Gains (losses) on non-hedge designated foreign currency forward contracts(2,795)2,334 (4,564)(1,926)
Foreign currency exchange gains (losses)2,987 (1,267)1,104 3,499 
Gain on cost method equity investment— — 26,455 4,120 
Other(2,057)(1,693)(1)(3,387)
Interest and other income, net$8,551 $808 $40,524 $4,494 

During the first quarter of fiscal 2023, the acquisition of Tibit triggered the remeasurement of Ciena’s previously held investment in Tibit to fair value, which resulted in Ciena recognizing a gain on its cost method equity investment of $26.5 million. See Note 4 above.
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. Ciena recorded $1.1 million and $3.5 million in foreign currency exchange rate gains for the first six months of fiscal 2023 and 2022, respectively, as a result of monetary assets and liabilities that were transacted in a currency other than Ciena’s functional currency. The related remeasurement adjustments were recorded in interest and other income, net, on the Condensed Consolidated Statements of Operations. From time to time, Ciena uses foreign currency forwards to hedge this type of balance sheet exposure. 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. During the first six months of fiscal 2023 and 2022, Ciena recorded losses of $4.6 million and $1.9 million, respectively, from non-hedge designated foreign currency forward contracts.