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EQUIPMENT, BUILDING, FURNITURE AND FIXTURES | 12 Months Ended
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Oct. 29, 2022
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 29, 2022 |  | October 30, 2021
Equipment, furniture and fixtures | $ | 619,160 |  |  | $ | 599,672 |
Building subject to finance lease | 69,247 |  |  | 76,123 |
Leasehold improvements | 80,415 |  |  | 100,270 |
Equipment, building, furniture and fixtures | 768,822 |  |  | 776,065 |
Accumulated depreciation and amortization | (501,043) |  |  | (491,097) |
Equipment, building, furniture and fixtures, net | $ | 267,779 |  |  | $ | 284,968 |
During fiscal 2022, fiscal 2021 and fiscal 2020, Ciena recorded depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements of $87.2 million, $86.5 million and $84.9 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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