XML 27 R15.htm IDEA: XBRL DOCUMENT v3.25.2
FAIR VALUE MEASUREMENTS
 9 Months Ended
Aug. 02, 2025
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS
    As of the dates indicated, the following tables summarize the assets and liabilities that are recorded at fair value on a recurring basis (in thousands):
 August 2, 2025
 Level 1Level 2Level 3Total
Assets:    
Money market funds$658,774 $— $— $658,774 
Bond mutual fund116,537 — — 116,537 
Time deposits92,549 — — 92,549 
Deferred compensation plan assets19,359 — — 19,359 
U.S. government obligations— 208,468 — 208,468 
Corporate debt securities— 121,126 — 121,126 
Foreign currency forward contracts— 5,685 — 5,685 
Interest rate swaps— 671 — 671 
Total assets measured at fair value$887,219 $335,950 $— $1,223,169 
Liabilities:
Foreign currency forward contracts$— $3,228 $— $3,228 
Interest rate swaps— 1,220 — 1,220 
Total liabilities measured at fair value$— $4,448 $— $4,448 
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 

As of the dates indicated, the assets and liabilities above are presented on Ciena’s Condensed Consolidated Balance Sheets as follows (in thousands):
 August 2, 2025
 Level 1Level 2Level 3Total
Assets:    
Cash equivalents$862,021 $656 $— $862,677 
Short-term investments5,839 264,541 — 270,380 
Prepaid expenses and other— 5,685 — 5,685 
Long-term investments— 64,397 — 64,397 
Other long-term assets19,359 671 — 20,030 
Total assets measured at fair value$887,219 $335,950 $— $1,223,169 
Liabilities:
Accrued liabilities and other short-term obligations$— $3,228 $— $3,228 
Other long-term obligations— 1,220 — 1,220 
Total liabilities measured at fair value$— $4,448 $— $4,448 
 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 

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