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EQUITY AWARD PLANS (Tables)

6 Months Ended

Jan. 31, 2020

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			Grant Date Fair Value per Share
	(in thousands)
Outstanding at July 31, 2019	22,136			$	36.72
Granted	10,511			$	29.47
Released	(4,236	)		$	33.72
Forfeited	(2,787	)		$	34.34
Outstanding at January 31, 2020	25,624			$	34.61

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,
	2019			2020
Expected term (in years)	0.79			0.92
Risk-free interest rate	2.5	%		1.9	%
Volatility	49.5	%		68.7	%
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,
	2019				2020				2019				2020
	(in thousands)
Cost of revenue:
Product	$	872			$	1,458			$	1,570			$	2,570
Support, entitlements and other services	3,373				5,140				6,530				9,891
Sales and marketing	23,462				31,185				46,068				58,960
Research and development	34,679				36,459				65,688				74,022
General and administrative	10,179				11,373				18,634				21,598
Total stock-based compensation expense	$	72,565			$	85,615			$	138,490			$	167,041

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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