Revenue from Contracts with Customers (Tables)

6 Months Ended

Mar. 31, 2022

Revenue From Contract With Customer [Abstract]

Schedule of Contract Assets and Liabilities

Contract Assets and Contract Liabilities

(in thousands)	March 31, 2022		September 30, 2021
Contract asset	$	16,162	$	12,934
Deferred revenue	$	534,681	$	497,677

Disaggregation of Revenue

Disaggregation of Revenue

(in thousands)	Three months ended				Six months ended
	March 31, 2022		March 31, 2021		March 31, 2022		March 31, 2021
Recurring revenue(1)	$	452,710	$	414,845	$	857,835	$	799,803
Perpetual license		9,540		6,922		18,008		15,385
Professional services		42,977		40,018		87,105		75,648
Total revenue	$	505,227	$	461,785	$	962,948	$	890,836

(1)   Recurring revenue is comprised of subscription, perpetual support, SaaS, and cloud revenue.