BALANCE SHEET COMPONENTS (Tables)

9 Months Ended

Apr. 30, 2017

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 the Company’s investments in marketable debt securities, by the contractual maturity date (in thousands):

	As of April 30, 2017
Due within 1 year	$	126,291
Due after 1 year through 3 years	23,280
Total	$	149,571

Schedule of Property, Plant and Equipment

Property and Equipment—Net—Property and equipment, net consists of the following (in thousands):

	Estimated Useful Life (In months)	As of
		July 31, 2016			April 30, 2017
Computer, production, engineering and other equipment	36	$	54,161		$	78,616
Demonstration units	12	33,184			41,882
Leasehold improvements	*	6,619			8,773
Furniture and fixtures	60	3,641			4,296
Total property and equipment—gross		97,605			133,567
Less accumulated depreciation and amortization		(55,387		)	(80,022		)
Total property and equipment—net		$	42,218		$	53,545

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* 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—Intangible assets, net consists of the following (in thousands):

	As of April 30, 2017
Indefinite-lived intangible asset:
In-process R&D	$	16,100
Finite-lived intangible assets:
Developed technology	7,300
Customer relationships	4,830
Total finite-lived intangible assets, gross	12,130
Total intangible assets, gross	28,230
Less:
Accumulated amortization of developed technology	(665		)
Accumulated amortization of customer relationships	(956		)
Total accumulated amortization	(1,621		)
Intangible assets, net	$	26,609

Changes in the net book value of intangible assets are as follows (in thousands):

	Nine Months Ended April 30, 2017
Intangible assets, net—beginning balance	$	—
Acquired in the Calm Acquisition	3,960
Acquired in the PernixData Acquisition	24,270
Amortization of intangible assets *	(1,621		)
Intangible assets, net—ending balance	$	26,609

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* Represents amortization expense of finite-lived intangible assets recorded in the condensed consolidated statement of operations during the period within product cost of revenue and sales and marketing expenses.

Schedule of Indefinite-Lived Intangible Assets

Intangible Assets—Net—Intangible assets, net consists of the following (in thousands):

	As of April 30, 2017
Indefinite-lived intangible asset:
In-process R&D	$	16,100
Finite-lived intangible assets:
Developed technology	7,300
Customer relationships	4,830
Total finite-lived intangible assets, gross	12,130
Total intangible assets, gross	28,230
Less:
Accumulated amortization of developed technology	(665		)
Accumulated amortization of customer relationships	(956		)
Total accumulated amortization	(1,621		)
Intangible assets, net	$	26,609

Changes in the net book value of intangible assets are as follows (in thousands):

	Nine Months Ended April 30, 2017
Intangible assets, net—beginning balance	$	—
Acquired in the Calm Acquisition	3,960
Acquired in the PernixData Acquisition	24,270
Amortization of intangible assets *	(1,621		)
Intangible assets, net—ending balance	$	26,609

______________

* Represents amortization expense of finite-lived intangible assets recorded in the condensed consolidated statement of operations during the period within product cost of revenue and sales and marketing expenses.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future amortization expense of finite-lived intangible assets is as follows:

Year Ending July 31:	(In thousands)
2017 (remaining three months)	$	607
2018	2,220
2019	2,201
2020	2,201
2021	2,201
Thereafter	1,079
Total	$	10,509

Schedule of Accrued Liabilities

Accrued Compensation and Benefits—Accrued compensation and benefits consists of the following (in thousands):

	As of
	July 31, 2016		April 30, 2017
Accrued commissions	$	14,203	$	12,979
Accrued vacation	3,490		6,172
Contributions to ESPP withheld	—		3,773
Accrued bonus	3,592		4,709
Payroll taxes payable	1,234		24,198
Other	2,028		5,003
Total accrued compensation and benefits	$	24,547	$	56,834

Payroll taxes payable as of April 30, 2017 included $21.9 million related to required tax withholdings on RSU releases made at the end of the three months ended April 30, 2017. As the money to settle these withholding taxes had not been received from the Company's third-party transfer agent as of April 30, 2017, there was a corresponding receivable recognized and shown as part of prepaid expenses and other current assets as of April 30, 2017, and thus had no impact on the Company's total cash from operating activities.

Accrued Expenses and Other Liabilities—Accrued expenses and other liabilities consists of the following (in thousands):

	As of
	July 31, 2016		April 30, 2017
Accrued professional services	$	3,585	$	4,181
Income taxes payable	1,417		3,446
Other	535		1,391
Total accrued expenses and other liabilities	$	5,537	$	9,018