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OTHER BALANCE SHEET DETAILS (Tables)

6 Months Ended

Apr. 29, 2023

Balance Sheet Related Disclosures [Abstract]

Schedule of Accrued Liabilities

As of the dates indicated, accrued liabilities and other short-term obligations are comprised of the following (in thousands):

			April 29, 2023						October 29, 2022
Compensation, payroll related tax and benefits			$	130,526					$	126,338
Warranty			49,187						45,503
Income taxes payable			41,025						11,472
Vacation			29,740						26,396
Foreign currency forward contracts			10,364						15,604
Interest payable			5,692						4,793
Finance lease liabilities			3,904						3,758
Other			110,531						126,918
			$	380,969					$	360,782

Schedule of Accrued Warranties

The following table summarizes the activity in Ciena’s accrued warranty for the periods indicated (in thousands):

						Beginning Balance												Current Period Provisions						Settlements						Ending Balance
Six Months Ended April 30, 2022						$	48,019											7,228						(9,563)						$	45,684
Six Months Ended April 29, 2023						$	45,503											13,577						(9,893)						$	49,187

Schedule of Contract Balances

The following table provides information about receivables, contract assets and contract liabilities (deferred revenue) from contracts with customers (in thousands):

						Balance at April 29, 2023						Balance at October 29, 2022
Accounts receivable, net						$	1,036,688					$	920,772
Contract assets for unbilled accounts receivable, net						$	180,020					$	156,039
Deferred revenue						$	270,625					$	200,235

As of the dates indicated, deferred revenue is comprised of the following (in thousands):

			April 29, 2023						October 29, 2022
Products			$	33,914					$	19,814
Services			236,711						180,421
Total deferred revenue			270,625						200,235
Less current portion			(202,818)						(137,899)
Long-term deferred revenue			$	67,807					$	62,336

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- References

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045

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Tabular disclosure of the components of accrued liabilities.

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- Definition

Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

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