Property and Equipment (Tables)

12 Months Ended

Sep. 30, 2021

Property Plant And Equipment [Abstract]

Components of Property and Equipment

Property and equipment consisted of the following:

(in thousands)	September 30,
	2021			2020
Computer hardware and software	$	352,704		$	330,392
Furniture and fixtures		30,568			30,251
Leasehold improvements		94,959			99,883
Gross property and equipment		478,231			460,526
Accumulated depreciation and amortization		(377,994	)		(359,027	)
Net property and equipment	$	100,237		$	101,499