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EQUIPMENT, BUILDING, FURNITURE AND FIXTURES
 12 Months Ended
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, 2023October 29, 2022
Equipment, furniture and fixtures$676,485 $619,160 
Building subject to finance lease67,904 69,247 
Leasehold improvements74,391 80,415 
Equipment, building, furniture and fixtures818,780 768,822 
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.