Revenue from Contracts with Customers (Tables)

6 Months Ended

Mar. 28, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Contract Assets and Liabilities

Contract Assets and Contract Liabilities

(in thousands)	March 28, 2020		September 30, 2019
Contract asset	$	19,582	$	21,038
Deferred revenue	$	417,202	$	396,632

Disaggregation of Revenue

Disaggregation of Revenue

(in thousands)	Three months ended				Six months ended
	March 28, 2020		March 30, 2019		March 28, 2020		March 30, 2019
Total recurring revenue	$	315,862	$	239,185	$	621,230	$	490,623
Perpetual license	8,218		10,336		17,216		52,141
Professional services	35,523		40,930		77,267		82,376
Total revenue	$	359,603	$	290,451	$	715,713	$	625,140