OTHER BALANCE SHEET DETAILS (Tables)

9 Months Ended

Jul. 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):

	July 29, 2023		October 29, 2022
Compensation, payroll related tax and benefits	$	104,303	$	126,338
Warranty	49,504		45,503
Income taxes payable	34,577		11,472
Vacation	30,344		26,396
Foreign currency forward contracts	4,691		15,604
Interest payable	9,779		4,793
Finance lease liabilities	4,063		3,758
Other	118,361		126,918
	$	355,622	$	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
Nine Months Ended July 30, 2022	$	48,019	12,416	(14,746)	$	45,689
Nine Months Ended July 29, 2023	$	45,503	18,860	(14,859)	$	49,504

Schedule of Contract Balances

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

	Balance at July 29, 2023		Balance at October 29, 2022
Accounts receivable, net	$	997,373	$	920,772
Contract assets for unbilled accounts receivable, net	$	142,305	$	156,039
Deferred revenue	$	259,977	$	200,235

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

	July 29, 2023		October 29, 2022
Products	$	34,102	$	19,814
Services	225,875		180,421
Total deferred revenue	259,977		200,235
Less current portion	(188,104)		(137,899)
Long-term deferred revenue	$	71,873	$	62,336