Other Balance Sheet Details (Tables)

6 Months Ended

May 01, 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):

	May 1, 2021		October 31, 2020
Compensation, payroll related tax and benefits (1)	$	114,119	$	135,462
Warranty	48,123		49,868
Vacation	30,612		26,945
Finance lease obligations	3,245		2,836
Interest payable	665		672
Other	133,296		118,349
	$	330,060	$	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 periods indicated (in thousands):

	Beginning Balance		Current Period Provisions	Settlements	Ending Balance
Six Months Ended May 2, 2020	$	48,498	13,793	(10,428)	$	51,863
Six Months Ended May 1, 2021	$	49,868	7,937	(9,682)	$	48,123

Contract Balances

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

	Balance at May 1, 2021		Balance at October 31, 2020
Accounts receivable, net	$	716,779	$	719,405
Contract assets for unbilled accounts receivable, net	$	81,437	$	85,843
Deferred revenue	$	204,299	$	158,363

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

	May 1, 2021		October 31, 2020
Products	$	13,257	$	17,534
Services	191,042		140,829
	204,299		158,363
Less current portion	(147,075)		(108,700)
Long-term deferred revenue	$	57,224	$	49,663