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Other Balance Sheet Details | 12 Months Ended
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Oct. 31, 2020
Balance Sheet Related Disclosures [Abstract] |
OTHER BALANCE SHEET DETAILS | OTHER BALANCE SHEET DETAILS As of the dates indicated, other long-term assets are comprised of the following (in thousands):
| October 31, 2020 |  | November 2, 2019
Maintenance spares inventory, net | $ | 62,077 |  |  | $ | 55,482 |
Cost method equity investments(1) | 13,408 |  |  | 10,727 |
Capitalized contract acquisition costs | 4,001 |  |  | 3,994 |
Deferred debt issuance costs, net(2) | 1,596 |  |  | 1,609 |
Restricted cash | 84 |  |  | 42 |
Other | 21,664 |  |  | 17,132 |
| $ | 102,830 |  |  | $ | 88,986 |
(1) Ciena recorded an upward adjustment of $2.7 million to the carrying value of cost method equity investments to interest and other income (loss), net on the Consolidated Statements of Operations during the fourth quarter of fiscal 2020. (2) Deferred debt issuance costs relate to Ciena’s senior secured asset-based revolving credit facility (the “ABL Credit Facility”) entered into during fiscal 2019 and its predecessor credit facility (described in Note 19 below). The amortization of deferred debt issuance costs for the ABL Credit Facility and its predecessor is included in interest expense, and was $0.4 million for fiscal 2020, and $0.3 million for fiscal 2019 and fiscal 2018. As of the dates indicated, accrued liabilities and other short-term obligations are comprised of the following (in thousands):
| October 31, 2020 |  | November 2, 2019
Compensation, payroll related tax and benefits | $ | 135,462 |  |  | $ | 182,363 |
Warranty | 49,868 |  |  | 48,498 |
Vacation | 26,945 |  |  | 22,290 |
Finance lease liability | 2,836 |  |  | 2,764 |
Interest payable | 672 |  |  | 1,007 |
Contingent consideration | — |  |  | 4,372 |
Other | 118,349 |  |  | 121,446 |
| $ | 334,132 |  |  | $ | 382,740 |
The following table summarizes the activity in Ciena’s accrued warranty for the fiscal years indicated (in thousands):
Year Ended |  | Beginning Balance |  |  |  | Current Year Provisions |  |  |  | Settlements |  | Ending Balance
November 3, 2018 |  | $ | 42,456 |  |  |  |  | $ | 20,992 |  |  |  |  | $ | 18,708 |  |  | $ | 44,740 |
November 2, 2019 |  | $ | 44,740 |  |  |  |  | $ | 23,105 |  |  |  |  | $ | 19,347 |  |  | $ | 48,498 |
October 31, 2020 |  | $ | 48,498 |  |  |  |  | $ | 22,417 |  |  |  |  | $ | 21,047 |  |  | $ | 49,868 |
As of the dates indicated, deferred revenue is comprised of the following (in thousands):
| October 31, 2020 |  | November 2, 2019
Products | $ | 17,534 |  |  | $ | 27,366 |
Services | 140,829 |  |  | 129,507 |
| 158,363 |  |  | 156,873 |
Less current portion | (108,700) |  |  | (111,381) |
Long-term deferred revenue | $ | 49,663 |  |  | $ | 45,492 |
As of the dates indicated, other long-term obligations are comprised of the following (in thousands):
| October 31, 2020 |  | November 2, 2019
Finance lease liability | $ | 61,565 |  |  | $ | 65,284 |
Interest rate swap liability | 28,513 |  |  | 21,093 |
Income tax liability | 16,386 |  |  | 20,546 |
Deferred tenant allowance | — |  |  | 6,248 |
Straight-line rent | — |  |  | 5,434 |
Contingent consideration | — |  |  | 3,705 |
Other | 16,721 |  |  | 26,437 |
| $ | 123,185 |  |  | $ | 148,747 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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