Equity Incentive Plans (Tables)

6 Months Ended

Jan. 31, 2023

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, 2022		22,136		$	29.81
Granted		15,804		$	18.43
Released		(5,287	)	$	29.63
Forfeited		(3,134	)	$	27.70
Outstanding at January 31, 2023		29,519		$	23.98

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:

	Six Months Ended January 31,
	2022			2023
Expected term (in years)		0.77			0.86
Risk-free interest rate		0.1	%		4.0	%
Volatility		53.3	%		64.3	%
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 January 31,				Six Months Ended January 31,
	2022		2023		2022		2023
	(in thousands)
Cost of revenue:
Product	$	1,948	$	2,113	$	3,699	$	4,272
Support, entitlements and other services		7,806		8,172		16,257		13,518
Sales and marketing		26,380		23,570		55,512		44,042
Research and development		35,763		36,491		74,242		75,113
General and administrative		16,148		14,944		28,882		29,300
Total stock-based compensation expense	$	88,045	$	85,290	$	178,592	$	166,245