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FAIR VALUE MEASUREMENTS
 12 Months Ended
Nov. 02, 2024
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS
As of the dates indicated, the following tables summarize the fair value of assets and liabilities that were recorded at fair value on a recurring basis (in thousands):
 November 2, 2024
 Level 1Level 2Level 3Total
Assets:    
Money market funds$636,097 $— $— $636,097 
Bond mutual fund112,703 — — 112,703 
Time deposits92,804 — — 92,804 
Deferred compensation plan assets16,519 — — 16,519 
U.S. government obligations— 286,181 — 286,181 
Corporate debt securities— 111,143 — 111,143 
Foreign currency forward contracts— 2,149 — 2,149 
Interest rate swaps— 11,777 — 11,777 
Total assets measured at fair value$858,123 $411,250 $— $1,269,373 
Liabilities:
Foreign currency forward contracts$— $9,155 $— $9,155 
Total liabilities measured at fair value$— $9,155 $— $9,155 
 October 28, 2023
 Level 1Level 2Level 3Total
Assets:    
Money market funds$661,101 $— $— $661,101 
Bond mutual fund104,171 — — 104,171 
Time deposits138,829 — — 138,829 
Deferred compensation plan assets11,456 — — 11,456 
U.S. government obligations— 169,909 — 169,909 
Commercial paper— 59,569 — 59,569 
Foreign currency forward contracts— 1,119 — 1,119 
Interest rate swaps— 24,953 — 24,953 
Total assets measured at fair value$915,557 $255,550 $— $1,171,107 
Liabilities:
Foreign currency forward contracts$— $14,509 $— $14,509 
Total liabilities measured at fair value$— $14,509 $— $14,509 
As of the dates indicated, the assets and liabilities above were presented on Ciena’s Consolidated Balance Sheets as follows (in thousands):
 November 2, 2024
 Level 1Level 2Level 3Total
Assets:    
Cash equivalents$832,239 $9,426 $— $841,665 
Short-term investments9,365 306,978 — 316,343 
Prepaid expenses and other— 2,149 — 2,149 
Long-term investments— 80,920 — 80,920 
Other long-term assets16,519 11,777 — 28,296 
Total assets measured at fair value$858,123 $411,250 $— $1,269,373 
Liabilities:
Accrued liabilities and other short-term obligations$— $9,155 $— $9,155 
Total liabilities measured at fair value$— $9,155 $— $9,155 

 October 28, 2023
 Level 1Level 2Level 3Total
Assets:    
Cash equivalents$891,788 $2,760 $— $894,548 
Short-term investments12,313 92,440 — 104,753 
Prepaid expenses and other— 1,119 — 1,119 
Long-term investments— 134,278 — 134,278 
Other long-term assets11,456 24,953 — 36,409 
Total assets measured at fair value$915,557 $255,550 $— $1,171,107 
Liabilities:
Accrued liabilities and other short-term obligations$— $14,509 $— $14,509 
Total liabilities measured at fair value$— $14,509 $— $14,509 

Ciena did not have any transfers between Level 1 and Level 2 fair value measurements during the periods presented.