Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In-Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance at Jun. 30, 2015	$ 104,235	$ 100	$ 865,282	$ (1,291)	$ (759,856)
Balance, common stock, shares at Jun. 30, 2015		100,284
Cumulative effect of adopting Topic 606 at Jun. 30, 2015	16,677				16,677
Balance, adjusted at Jun. 30, 2015	120,912	$ 100	865,282	(1,291)	(743,179)
Net loss	(36,363)				(36,363)
Other comprehensive loss	(1,583)			(1,583)
Issuance of common stock from equity incentive plans, net of tax	4,637	$ 5	4,632
Issuance of common stock from equity incentive plans, net of tax, shares		4,659
Stock-based compensation	14,792		14,792
Balance at Jun. 30, 2016	102,395	$ 105	884,706	(2,874)	(779,542)
Balance, common stock, shares at Jun. 30, 2016		104,943
Net loss	(1,744)				(1,744)
Other comprehensive loss	572			572
Issuance of common stock from equity incentive plans, net of tax	11,822	$ 6	11,816
Issuance of common stock from equity incentive plans, net of tax, shares		5,982
Stock-based compensation	12,633		12,633
Balance at Jun. 30, 2017	$ 125,678	$ 111	909,155	(2,302)	(781,286)
Balance, common stock, shares at Jun. 30, 2017	110,925	110,925
Net loss	$ (46,792)				(46,792)
Other comprehensive loss	599			599
Issuance of common stock from equity incentive plans, net of tax	3,341	$ 5	3,336
Issuance of common stock from equity incentive plans, net of tax, shares		5,198
Stock-based compensation	27,633		27,633
Stock awards granted in connection with acquisition	2,273		2,273
Balance at Jun. 30, 2018	$ 112,732	$ 116	$ 942,397	$ (1,703)	$ (828,078)
Balance, common stock, shares at Jun. 30, 2018	116,124	116,123