Employee Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2018

Share Based Compensation [Abstract]

Shares Reserved for Issuance

The following are shares reserved for issuance (in thousands):

	June 30, 2018		June 30, 2017
Employee stock options and awards outstanding		9,957		9,726
2013 Employee Plan shares available for grant		12,060		7,629
2014 Employee Stock Purchase Plan		5,365		7,785
Total shares reserved for issuance		27,382		25,140

Summary of Stock Option Activity

The following table summarizes stock option activity under all plans (shares and intrinsic value in thousands):

	Number of Shares			Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Options outstanding at June 30, 2017		3,062		$	4.06		4.19	$	15,868
Exercised		(854	)	$	4.52
Cancelled		(15	)	$	4.26
Options outstanding at June 30, 2018		2,193		$	3.88		2.90	$	8,996
Vested and expected to vest at June 30, 2018		2,193		$	3.88		2.90	$	8,996
Exercisable at June 30, 2018		1,980		$	4.03		2.80	$	7,781

Summary of Stock Award Activity

The following table summarizes stock award activity (shares and market value in thousands):

	Number of Shares			Weighted- Average Grant Date Fair Value		Aggregate Fair Market Value
Non-vested stock awards outstanding at June 30, 2017		6,664		$	4.66
Granted		4,595		$	11.15
Vested		(2,956	)	$	3.79
Cancelled		(539	)	$	8.05
Non-vested stock awards outstanding at June 30, 2018		7,764		$	8.60	$	61,804

Schedule of PSUs Earned and Vested Based on Stock Price Appreciation (Stock Price PSUs)

 The Stock Price PSUs represent the right to receive a number of shares of common stock up to one and one-third of the target number of Stock Price PSUs. They are earned and vest as follows based on the average adjusted closing stock price of the Company’s common stock for the 90 days ending as of May 4, 2020, subject to the grantees’ continued service through the certification of performance:

Average adjusted closing stock price	Shares earned
at least $8.96 but less than $11.63	One-third
at least $11.63 but less than $13.15	Two-thirds
at least $13.15 but less than $16.56	100%
$16.56 or more	One and one-third

Schedule of PSUs Earned and Vested Based on Total Stockholder Return Relative to S&P Small Cap 600 Capped Information Technology Index (TSR PSUs)

The TSR PSUs represent the right to receive a number of shares of common stock up to 130% of the target number of TSR PSUs. They are earned and vest as follows based on the positive percentage point difference between the Company’s total stockholder return and the total stockholder return for the S&P Small Cap 600 Capped Information Technology Index over the performance period from May 4, 2017 to May 4, 2020, subject to the grantees’ continued service through the certification of performance:

Level	Percentage point differencebetween Company TSR andindex TSR			Shares earned
Threshold		0	%		0	%
Target		+ 25	%		100	%
Maximum		+ 35	%		130	%

Summary of PSUs with Market or Performance Based Conditions Granted

The following table summarizes PSU’s with market or performance based conditions granted and the number of awards that have satisfied the relevant market or performance criteria in each period (in thousands):

	Fiscal year 2018		Fiscal year 2017		Fiscal year 2016
Performance awards granted		714		2,106		695
Performance awards earned		566		839		582

Schedule of Recognized Share-based Compensation Expense

Share-based compensation expense recognized in the financial statements by line item caption is as follows (in thousands):

	Year Ended
	June 30, 2018		June 30, 2017		June 30, 2016
Cost of product revenue	$	564	$	333	$	882
Cost of service revenue		1,131		589		1,041
Research and development		7,642		3,312		4,559
Sales and marketing		9,843		4,253		4,633
General and administrative		8,453		4,146		3,677
Total share-based compensation expense	$	27,633	$	12,633	$	14,792

Schedule of Fair Value Assumptions for Stock Options and Employee Stock Purchase Plan Awards

The fair value of each share purchase option under the Company's 2014 ESPP is estimated on the date of grant using the Black-Scholes-Merton option valuation model with the weighted average assumptions noted in the following table. The expected term of the 2014 ESPP. The risk-free rate is based upon the estimated life and is based on the U.S. Treasury yield curve in effect at the time of grant. Expected volatility is based on the historical volatility on the Company’s stock.

The weighted-average estimated per share fair value of shares purchased under the 2014 ESPP in fiscal years 2018, 2017 and 2016, was $3.25, $1.24 and $0.92, respectively.

	Stock Option Plan						Employee Stock Purchase Plan
	Year Ended						Year Ended
	June 30, 2017			June 30, 2016			June 30, 2018			June 30, 2017			June 30, 2016
Expected life	4.0 years			4.2 years			0.5 years			0.5 years			1.2 years
Risk-free interest rate		1.78	%		1.17	%	1.64%–1.15%				0.40	%		0.33	%
Volatility		52	%		50	%		42	%	40%–37%				58	%
Dividend yield		—	%		—	%		—	%		—	%		—	%