Other Balance Sheet Details (Tables)

3 Months Ended

Jan. 30, 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):

	January 30, 2021		October 31, 2020
Compensation, payroll related tax and benefits (1)	$	76,477	$	135,462
Warranty	48,184		49,868
Vacation	28,414		26,945
Finance lease obligations	3,011		2,836
Interest payable	605		672
Other	118,312		118,349
	$	275,003	$	334,132

(1) Reduction is primarily due to the timing of bonus payments to employees under Ciena’s annual cash incentive compensation plan.

Schedule of Accrued Warranties

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

	Beginning Balance		Current Period Provisions	Settlements	Ending Balance
Three Months Ended February 1, 2020	$	48,498	7,898	(5,206)	$	51,190
Three Months Ended January 30, 2021	$	49,868	3,239	(4,923)	$	48,184

Contract Balances

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

	Balance at January 30, 2021		Balance at October 31, 2020
Accounts receivable, net	$	700,025	$	719,405
Contract assets for unbilled accounts receivable, net	$	85,461	$	85,843
Deferred revenue	$	190,600	$	158,363

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

	January 30, 2021		October 31, 2020
Products	$	15,374	$	17,534
Services	175,226		140,829
	190,600		158,363
Less current portion	(136,229)		(108,700)
Long-term deferred revenue	$	54,371	$	49,663