OTHER BALANCE SHEET DETAILS (Tables)

3 Months Ended

Jan. 27, 2024

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 27, 2024		October 28, 2023
Compensation, payroll related tax and benefits	$	93,937	$	159,530
Warranty	56,400		57,089
Vacation	29,700		29,503
Interest payable	8,856		4,514
Income taxes payable	8,153		16,341
Foreign currency forward contracts	6,184		14,509
Finance lease liabilities	4,169		3,953
Other	122,511		145,980
	$	329,910	$	431,419

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
Three Months Ended January 28, 2023	$	45,503	8,230	(5,190)	$	48,543
Three Months Ended January 27, 2024	$	57,089	4,841	(5,530)	$	56,400

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 January 27, 2024		Balance at October 28, 2023
Accounts receivable, net	$	865,239	$	1,003,876
Contract assets for unbilled accounts receivable, net	$	151,572	$	150,312
Deferred revenue	$	243,270	$	228,460

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

	January 27, 2024		October 28, 2023
Products	$	24,415	$	28,353
Services	218,855		200,107
Total deferred revenue	243,270		228,460
Less current portion	(166,714)		(154,419)
Long-term deferred revenue	$	76,556	$	74,041