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Property and Equipment
12 Months Ended
Sep. 30, 2018
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

 

    

2018

    

2017

    

(years)

 

 

(in millions)

 

 

 

 

Building and land

 

$

75.2

 

$

63.6

 

10

-

45

Leasehold improvements

 

 

399.2

 

 

404.6

 

1

-

20

Computer systems and equipment

 

 

741.2

 

 

694.6

 

3

-

12

Furniture and fixtures

 

 

132.5

 

 

135.9

 

3

-

10

Total

 

 

1,348.1

 

 

1,298.7

 

 

 

 

Accumulated depreciation and amortization

 

 

(734.0)

 

 

(677.3)

 

 

 

 

Property and equipment, net

 

$

614.1

 

$

621.4

 

 

 

 

 

Depreciation expense for the fiscal years ended September 30, 2018, 2017 and 2016 were $158.5 million, $157.1 million, and $171.7 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.