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Property and Equipment
12 Months Ended
Sep. 30, 2022
Property and Equipment  
Property and Equipment

5.           Property and Equipment

Property and equipment, at cost, consists of the following:

Fiscal Year Ended

September 30, 

September 30, 

Useful Lives

    

2022

    

2021

    

(years)

(in millions)

Building and land

$

9.9

$

14.4

 

10

-

45

Leasehold improvements

 

339.7

 

351.2

 

1

-

20

Computer systems and equipment

 

672.1

 

602.1

 

3

-

12

Furniture and fixtures

 

103.1

 

112.7

 

3

-

10

Total

 

1,124.8

 

1,080.4

Accumulated depreciation and amortization

 

(696.6)

 

(681.5)

Property and equipment, net

$

428.2

$

398.9

Depreciation expense for the fiscal years ended September 30, 2022, 2021 and 2020 were $147.0 million, $143.6 million, and $163.4 million, respectively. Depreciation is calculated using primarily the straight-line method over the estimated useful lives of the assets, or in the case of leasehold improvements and capitalized leases, the lesser of the remaining term of the lease or its estimated useful life.