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Equipment, Building, Furniture and Fixtures | 12 Months Ended
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Oct. 31, 2020
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 31, 2020 |  | November 2, 2019
Equipment, furniture and fixtures | $ | 523,231 |  |  | $ | 544,012 |
Building subject to finance lease | 70,791 |  |  | 71,760 |
Leasehold improvements | 89,407 |  |  | 94,626 |
| 683,429 |  |  | 710,398 |
Accumulated depreciation and amortization | (411,052) |  |  | (423,514) |
| $ | 272,377 |  |  | $ | 286,884 |
During fiscal 2020, fiscal 2019 and fiscal 2018, Ciena recorded depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements of $84.9 million, $78.8 million and $75.3 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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://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 http://asc.fasb.org/extlink&oid=120429125&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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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