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EQUIPMENT, BUILDING, FURNITURE AND FIXTURES | 12 Months Ended
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Oct. 28, 2023
Property, Plant and Equipment [Abstract] |
EQUIPMENT, BUILDING, FURNITURE AND FIXTURES | EQUIPMENT, BUILDING, FURNITURE AND FIXTURES As of the dates indicated, equipment, building, furniture and fixtures are comprised of the following (in thousands):
| October 28, 2023 |  | October 29, 2022
Equipment, furniture and fixtures | $ | 676,485 |  |  | $ | 619,160 |
Building subject to finance lease | 67,904 |  |  | 69,247 |
Leasehold improvements | 74,391 |  |  | 80,415 |
Equipment, building, furniture and fixtures | 818,780 |  |  | 768,822 |
Accumulated depreciation and amortization | (538,633) |  |  | (501,043) |
Equipment, building, furniture and fixtures, net | $ | 280,147 |  |  | $ | 267,779 |
During fiscal 2023, fiscal 2022 and fiscal 2021, Ciena recorded depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements of $84.6 million, $87.2 million and $86.5 million, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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