Equity Incentive Plan (Tables)

12 Months Ended

Sep. 30, 2020

Share Based Compensation Allocation And Classification In Financial Statements [Abstract]

Schedule of Classification of Compensation Expense

The following table shows total stock-based compensation expense recorded from our stock-based awards as reflected in our Consolidated Statements of Operations:

(in thousands)	Year ended September 30,
	2020		2019		2018
Cost of license revenue	$	47	$	509	$	144
Cost of support and cloud services revenue		6,910		5,004		4,302
Cost of professional services revenue		7,012		6,426		7,079
Sales and marketing		37,351		32,026		24,893
Research and development		27,005		22,019		13,488
General and administrative		36,824		20,416		33,033
Total stock-based compensation expense	$	115,149	$	86,400	$	82,939

Schedule of Restricted Stock Unit Activity and Grants for the Period

Restricted stock unit activity for the year ended September 30, 2020 (in thousands, except grant date fair value data)	Shares			Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Balance of outstanding restricted stock units, October 1, 2019		3,232		$	80.52
Granted		2,770		$	77.57
Vested		(1,391	)	$	71.55
Forfeited or not earned		(1,102	)	$	89.09
Balance of outstanding restricted stock units, September 30, 2020		3,509		$	79.13	$	290,227

(in thousands)	Restricted Stock Units
Grant period	Performance- based RSUs(1)		Service-based RSUs(2)		Total Shareholder Return RSUs(3)
Year ended September 30, 2020		501		2,168		101

(1) The performance-based RSUs were granted to our executive officers and are eligible to vest based upon annual increasing performance measures, measured over a three-year period. To the extent earned, those performance-based RSUs will vest in three substantially equal installments. Approximately 101 thousand RSUs are eligible to vest on November 15, 2020, 2021 and 2022, or the date the Compensation Committee determines the extent to which the applicable performance criteria have been achieved for each performance period. Up to a maximum of two times the number of RSUs can be earned (a maximum aggregate of 202 thousand RSUs). An additional 400 thousand RSUs are eligible to vest on November 15, 2021, 2022 and 2023, or the date the Compensation Committee determines the extent to which the applicable performance criteria have been achieved for each performance period. Up to a maximum of 110% of the number of RSUs can be earned (a maximum aggregate of 440 thousand RSUs).

(2) The service-based RSUs were granted to employees, including our executive officers. Substantially all service-based RSUs will vest in three substantially equal annual installments on or about the anniversary of the date of grant.

(3) The Total Shareholder Return RSUs (TSR RSUs) were granted to our executives pursuant to the terms described below.

Schedule of Valuation Assumptions

The significant assumptions used in the Monte Carlo simulation model were as follows:

Average volatility of peer group	28.0	%
Risk-free interest rate	1.59	%
Dividend yield	—	%

Schedule of Total Fair Value of RSUs Vested

Total fair value of RSUs vested are as follows:

(in thousands)	Year ended September 30,
Value of stock option and stock-based award activity	2020		2019		2018
Total fair value of restricted stock unit awards vested	$	103,265	$	131,659	$	127,525