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OTHER BALANCE SHEET DETAILS (Tables)
 12 Months Ended
Nov. 02, 2024
Balance Sheet Related Disclosures [Abstract]  
Schedule of Other Long-term Assets
As of the dates indicated, other long-term assets are comprised of the following (in thousands):
 November 2, 2024October 28, 2023
Maintenance spares inventory, net$77,918 $54,042 
Equity investments(1)
21,730 48 
Deferred compensation plan assets16,519 11,456 
Interest rate swaps11,777 24,953 
Capitalized contract acquisition costs8,111 6,879 
Cloud computing arrangements(2)
5,641 8,589 
Deferred debt issuance costs, net(3)
1,733 1,956 
Restricted cash163 168 
Other11,102 8,362 
 $154,694 $116,453 

(1) Increase is due to an equity investment in a privately held technology company during fiscal 2024.

(2) During fiscal 2024, fiscal 2023 and fiscal 2022, Ciena recorded amortization of cloud computing arrangements of $4.9 million, $2.6 million and $2.8 million, respectively.

(3) Deferred debt issuance costs relate to Ciena’s senior secured revolving credit facility (the “Revolving Credit Facility”) entered into during fiscal 2023 and its predecessor asset-backed credit facility (described in Note 19 below). The amortization of deferred debt issuance costs for the Revolving Credit Facility and its predecessor is included in interest expense, and was $0.3 million for fiscal 2024 and $0.4 million for both fiscal 2023 and fiscal 2022.
Schedule of Accrued Liabilities
As of the dates indicated, accrued liabilities and other short-term obligations are comprised of the following (in thousands):
 November 2, 2024October 28, 2023
Compensation, payroll related tax and benefits
$148,732 $159,530 
Warranty55,267 57,089 
Vacation31,250 29,503 
Income taxes payable35,111 16,341 
Foreign currency forward contracts9,155 14,509 
Interest payable6,120 4,514 
Finance lease liabilities4,395 3,953 
Other103,875 145,980 
 $393,905 $431,419 
Schedule of Accrued Warranty
The following table summarizes the activity in Ciena’s accrued warranty for the fiscal years presented (in thousands):
Year EndedBeginning BalanceCurrent Year ProvisionsSettlementsEnding Balance
October 29, 2022$48,019 $17,440 $(19,956)$45,503 
October 28, 2023$45,503 $31,742 $(20,156)$57,089 
November 2, 2024$57,089 $25,643 $(27,465)$55,267 
Schedule of Deferred Revenue
The following table provides information about receivables, contract assets and contract liabilities (deferred revenue) from contracts with customers (in thousands):
Balance at November 2, 2024Balance at October 28, 2023
Accounts receivable, net$908,597 $1,003,876 
Contract assets for unbilled accounts receivable, net$127,919 $150,312 
Deferred revenue$237,619 $228,460 
As of the dates indicated, deferred revenue is comprised of the following (in thousands):
 November 2, 2024October 28, 2023
Products$19,017 $28,353 
Services218,602 200,107 
Total deferred revenue237,619 228,460 
Less current portion(156,379)(154,419)
Long-term deferred revenue$81,240 $74,041 
Schedule of Other Liabilities
As of the dates indicated, other long-term obligations are comprised of the following (in thousands):
November 2, 2024October 28, 2023
Income tax liability$113,365 $98,259 
Finance lease liabilities43,522 48,192 
Deferred compensation plan liability16,509 11,444 
Other12,542 12,512 
$185,938 $170,407