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FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Feb. 01, 2025

Fair Value Disclosures [Abstract]

Schedule of the Fair Value of Assets and Liabilities Recorded on a Recurring Basis

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):

			February 1, 2025
			Level 1						Level 2						Level 3						Total
Assets:
Money market funds			$	581,415					$	—					$	—					$	581,415
Bond mutual fund			114,061						—						—						114,061
Time deposits			92,937						—						—						92,937
Deferred compensation plan assets			17,659						—						—						17,659
U.S. government obligations			—						329,496						—						329,496
Corporate debt securities			—						106,117						—						106,117
Foreign currency forward contracts			—						2,080						—						2,080
Interest rate swaps			—						13,978						—						13,978
Total assets measured at fair value			$	806,072					$	451,671					$	—					$	1,257,743
Liabilities:
Foreign currency forward contracts			$	—					$	14,325					$	—					$	14,325
Total liabilities measured at fair value			$	—					$	14,325					$	—					$	14,325

			November 2, 2024
			Level 1						Level 2						Level 3						Total
Assets:
Money market funds			$	636,097					$	—					$	—					$	636,097
Bond mutual fund			112,703						—						—						112,703
Time deposits			92,804						—						—						92,804
Deferred compensation plan assets			16,519						—						—						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

Schedule of Assets and Liabilities as Presented on Ciena's Condensed Consolidated Balance Sheets

As of the dates indicated, the assets and liabilities above are presented on Ciena’s Condensed Consolidated Balance Sheets as follows (in thousands):

			February 1, 2025
			Level 1						Level 2						Level 3						Total
Assets:
Cash equivalents			$	781,671					$	—					$	—					$	781,671
Short-term investments			6,742						330,578						—						337,320
Prepaid expenses and other			—						2,080						—						2,080
Long-term investments			—						105,035						—						105,035
Other long-term assets			17,659						13,978						—						31,637
Total assets measured at fair value			$	806,072					$	451,671					$	—					$	1,257,743
Liabilities:
Accrued liabilities and other short-term obligations			$	—					$	14,325					$	—					$	14,325
Total liabilities measured at fair value			$	—					$	14,325					$	—					$	14,325

			November 2, 2024
			Level 1						Level 2						Level 3						Total
Assets:
Cash equivalents			$	832,239					$	9,426					$	—					$	841,665
Short-term investments			9,365						306,978						—						316,343
Prepaid expenses and other			—						2,149						—						2,149
Long-term investments			—						80,920						—						80,920
Other long-term assets			16,519						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

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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X

- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

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- References

No definition available.

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