Revenue from Contracts with Customers (Tables)

12 Months Ended

Sep. 30, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Contract Assets and Liabilities

Contract Assets and Contract Liabilities

(in thousands)	September 30,
	2021		2020
Contract asset	$	12,934	$	11,984
Deferred revenue	$	497,677	$	426,465

Disaggregation of Revenue

Disaggregation of Revenue

(in thousands)	Year ended September 30,
	2021		2020		2019
Total recurring revenue	$	1,616,328	$	1,281,949	$	1,017,398
Perpetual license		33,013		32,668		70,702
Professional services		157,818		143,798		167,531
Total revenue	$	1,807,159	$	1,458,415	$	1,255,631