Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In-Capital	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Cumulative Effect Period of Adoption Adjustment	Treasury Stock	Accumulated Deficit	Accumulated Deficit Cumulative Effect Period of Adoption Adjustment
Balance at Jun. 30, 2017	$ 125,678	$ 111	$ 909,155	$ (2,302)			$ (781,286)
Balance, common stock, shares at Jun. 30, 2017		110,925
Net loss	(46,792)						(46,792)
Other comprehensive income (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		116,123
Cumulative effect of adopting ASU 2016-01					$ (497)			$ 497
Net loss	(25,853)						(25,853)
Other comprehensive income (loss)	(273)			(273)
Issuance of common stock from equity incentive plans, net of tax	11,484	$ 6	11,478
Issuance of common stock from equity incentive plans, net of tax, shares		5,415
Stock-based compensation	32,897		32,897
Repurchase of stock, value	(15,000)					$ (15,000)
Repurchase of stock, shares						(2,366)
Balance at Jun. 30, 2019	$ 115,987	$ 122	986,772	(2,473)			(853,434)
Balance, common stock, shares at Jun. 30, 2019	121,538	121,538
Treasury stock, shares at Jun. 30, 2019	(2,366)					(2,366)
Treasury stock, value at Jun. 30, 2019	$ (15,000)					$ (15,000)
Net loss	(126,845)						(126,845)
Other comprehensive income (loss)	(3,905)			(3,905)
Issuance of common stock from equity incentive plans, net of tax	8,789	$ 5	8,784
Issuance of common stock from equity incentive plans, net of tax, shares		5,576
Stock-based compensation	37,842		37,842
Stock awards granted in connection with acquisition	3,530		3,530
Repurchase of stock, value	(30,000)		(1,887)			$ (28,113)
Repurchase of stock, shares						(4,231)
Balance at Jun. 30, 2020	$ 5,398	$ 127	$ 1,035,041	$ (6,378)			$ (980,279)
Balance, common stock, shares at Jun. 30, 2020	127,114	127,114
Treasury stock, shares at Jun. 30, 2020	(6,597)					(6,597)
Treasury stock, value at Jun. 30, 2020	$ (43,113)					$ (43,113)