Property and Equipment

12 Months Ended

Sep. 30, 2021

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
	2021		2020		(years)
	(in millions)
Building and land	$	14.4	$	11.5	10	-	45
Leasehold improvements		351.2		343.2	1	-	20
Computer systems and equipment		602.1		557.4	3	-	12
Furniture and fixtures		112.7		134.8	3	-	10
Total		1,080.4		1,046.9
Accumulated depreciation and amortization		(681.5)		(665.2)
Property and equipment, net	$	398.9	$	381.7

Depreciation expense for the fiscal years ended September 30, 2021, 2020 and 2019 were $143.6 million, $163.4 million, and $137.5 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.