BALANCE SHEET COMPONENTS (Tables)

12 Months Ended

Jul. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Investments in Marketable Debt Securities, by Contractual Maturity Date

The following table summarizes the estimated fair value of our investments in marketable debt securities by their contractual maturity dates:

	As of July 31, 2019
	(in thousands)
Due within one year	$	408,459
Due in one to two years	103,697
Total	$	512,156

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure

Prepaid expenses and other current assets consists of the following:

	As of July 31,
	2018		2019
	(in thousands)
Prepaid operating expenses	$	23,169	$	37,864
Prepaid income taxes	1,629		19,690
VAT receivables	2,281		5,068
Other current assets	9,739		12,043
Total prepaid expenses and other current assets	$	36,818	$	74,665

Schedule of Property, Plant and Equipment

Property and Equipment, Net

Property and equipment, net consists of the following:

	Estimated Useful Life	As of July 31,
		2018			2019
	(in months)	(in thousands)
Computer, production, engineering and other equipment	36	$	131,805		$	200,762
Demonstration units	12	53,547			59,981
Leasehold improvements	(1)	19,916			46,520
Furniture and fixtures	60	7,636			12,868
Total property and equipment, gross		212,904			320,131
Less: accumulated depreciation		(127,793		)	(183,169		)
Total property and equipment, net		$	85,111		$	136,962

(1)

Leasehold improvements are amortized over the shorter of the estimated useful lives of the improvements or the remaining lease term.

Schedule of Finite-Lived Intangible Assets

Intangible assets, net consists of the following:

	As of July 31,
	2018			2019
	(in thousands)
Developed technology	$	47,500		$	79,300
Customer relationships	6,650			8,860
Trade name	—			4,170
Total intangible assets, gross	54,150			92,330
Less:
Accumulated amortization of developed technology	(6,956		)	(21,210		)
Accumulated amortization of customer relationships	(1,828		)	(3,392		)
Accumulated amortization of trade name	—			(955		)
Total accumulated amortization	(8,784		)	(25,557		)
Total intangible assets, net	$	45,366		$	66,773

Schedule of Indefinite-Lived Intangible Assets

The changes in the net book value of intangible assets, net are as follows:

	As of July 31,
	2018			2019
	(in thousands)
Intangible assets, net—beginning balance	$	26,001		$	45,366
Acquired intangible assets	25,920			38,180
Amortization of intangible assets (1)	(6,555		)	(16,773		)
Intangible assets, net—ending balance	$	45,366		$	66,773

(1)

Represents amortization expense related to intangible assets recognized during the year in the consolidated statements of operations, within product cost of revenue and sales and marketing expense.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The estimated future amortization expense of our intangible assets is as follows:

Fiscal Year Ending July 31:	Amount
	(in thousands)
2020	$	17,380
2021	17,380
2022	16,183
2023	10,856
2024	3,210
Thereafter	1,764
Total	$	66,773

Schedule of Goodwill

The changes in the carrying amount of goodwill are as follows:

	Carrying Amount
	(in thousands)
Balance at July 31, 2017	$	16,672
Acquired in Netsil Acquisition	53,085
Acquired in Minjar Acquisition	18,002
Balance at July 31, 2018	87,759
Acquired in Frame Acquisition	97,328
Other	93
Balance at July 31, 2019	$	185,180

Schedule of Other Assets, Noncurrent

Other assets—non-current consists of the following:

	As of July 31,
	2018		2019
	(in thousands)
Other tax assets—non-current	$	30,927	$	—
Deferred tax assets—non-current	2,860		4,607
Other	4,068		9,834
Total other assets—non-current	$	37,855	$	14,441

Schedule of Accrued Liabilities

Accrued Compensation and Benefits

Accrued compensation and benefits consists of the following:

	As of July 31,
	2018		2019
	(in thousands)
Accrued commissions	$	21,660	$	31,703
Contributions to ESPP withheld	21,931		20,778
Accrued vacation	10,548		15,475
Accrued bonus	12,129		11,413
Payroll taxes payable	9,563		8,504
Other	9,567		11,931
Total accrued compensation and benefits	$	85,398	$	99,804

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consists of the following:

	As of July 31,
	2018		2019
	(in thousands)
Income taxes payable	$	20,863	$	9,651
Accrued professional services	5,838		2,996
Other	4,981		16,150
Total accrued expenses and other current liabilities	$	31,682	$	28,797