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OTHER BALANCE SHEET DETAILS (Tables)

9 Months Ended

Jul. 31, 2021

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):

			July 31, 2021						October 31, 2020
Compensation, payroll related tax and benefits			$	142,713					$	135,462
Warranty			48,139						49,868
Income taxes payable			36,526						6,348
Vacation			30,986						26,945
Finance lease obligations			3,395						2,836
Other			111,532						112,673
			$	373,291					$	334,132

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
Nine Months Ended August 1, 2020						$	48,498											19,172						(15,504)						$	52,166
Nine Months Ended July 31, 2021						$	49,868											12,726						(14,455)						$	48,139

Contract Balances

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

						Balance at July 31, 2021						Balance at October 31, 2020
Accounts receivable, net						$	878,229					$	719,405
Contract assets for unbilled accounts receivable, net						$	98,812					$	85,843
Deferred revenue						$	183,899					$	158,363

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

			July 31, 2021						October 31, 2020
Products			$	13,380					$	17,534
Services			170,519						140,829
			183,899						158,363
Less current portion			(126,179)						(108,700)
Long-term deferred revenue			$	57,720					$	49,663

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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 http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

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Tabular disclosure of the components of accrued liabilities.

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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 http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249

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