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EQUITY AWARD PLANS (Tables)

9 Months Ended

Apr. 30, 2019

Disclosure of Compensation Related Costs, Share-based Payments [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
Outstanding at July 31, 2018	23,597,499			$	31.20
Granted	8,445,399			$	47.63
Vested	(6,382,260	)		$	28.07
Canceled/forfeited	(2,426,308	)		$	35.03
Outstanding at April 30, 2019	23,234,330			$	37.63

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,
	2018			2019
Expected term (in years)	0.75			0.84
Risk-free interest rate	1.4	%		2.5	%
Volatility	49.8	%		69.0	%
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,
	2018				2019				2018				2019
	(in thousands)
Cost of revenue:
Product	$	634			$	953			$	1,888			$	2,523
Support, entitlements and other services	1,951				4,542				6,156				11,072
Sales and marketing	18,051				35,257				47,759				81,325
Research and development	16,474				42,265				49,039				107,953
General and administrative	7,836				11,815				17,630				30,449
Total stock-based compensation expense	$	44,946			$	94,832			$	122,472			$	233,322

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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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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