Equity Incentive Plans (Tables)

9 Months Ended

Apr. 30, 2022

Share-based Payment Arrangement [Abstract]

Schedule of RSUs Activity

Below is a summary of RSU activity, including MSUs, under the Stock Plans:

	Number of Shares			Weighted Average Grant Date Fair Value per Share
	(in thousands)
Outstanding at July 31, 2021		21,708		$	30.98
Granted		13,059		$	33.90
Released		(7,722	)	$	32.42
Forfeited		(4,279	)	$	32.74
Outstanding at April 30, 2022		22,766		$	31.83

Schedule of ESPP Valuation Assumptions

We use the Black-Scholes option pricing model to determine the fair value of shares purchased under the 2016 ESPP with the following weighted average assumptions on the date of grant:

	Nine Months Ended April 30,
	2021			2022
Expected term (in years)		0.78			0.81
Risk-free interest rate		0.1	%		1.0	%
Volatility		56.9	%		43.4	%
Dividend yield		—	%		—	%

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Total stock-based compensation expense recognized in the condensed consolidated statements of operations is as follows:

	Three Months Ended April 30,				Nine Months Ended April 30,
	2021		2022		2021		2022
	(in thousands)
Cost of revenue:
Product	$	1,291	$	1,830	$	4,454	$	5,529
Support, entitlements and other services		6,337		7,307		17,862		23,564
Sales and marketing		30,743		25,463		93,001		80,975
Research and development		40,802		35,467		114,747		109,709
General and administrative		16,113		14,439		38,874		43,321
Total stock-based compensation expense	$	95,286	$	84,506	$	268,938	$	263,098