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EQUIPMENT, BUILDING, FURNITURE AND FIXTURES
 12 Months Ended
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, 2022October 30, 2021
Equipment, furniture and fixtures$619,160 $599,672 
Building subject to finance lease69,247 76,123 
Leasehold improvements80,415 100,270 
Equipment, building, furniture and fixtures768,822 776,065 
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.