Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In-Capital	Accumulated Other Comprehensive Loss	Treasury Stock	Accumulated Deficit
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	(41,160)					(41,160)
Other comprehensive income	1,831			1,831
Issuance of common stock from equity incentive plans, net of tax	4,659	$ 5	4,654
Issuance of common stock from equity incentive plans, net of tax, shares		4,828
Share-based compensation	19,646		19,646
Stock awards granted in connection with acquisition	2,273		2,273
Balance at Mar. 31, 2018	112,927	$ 116	935,728	(471)		(822,446)
Balance, common stock, shares at Mar. 31, 2018		115,753
Balance at Dec. 31, 2017	111,719	$ 114	921,716	(1,278)		(808,833)
Balance, common stock, shares at Dec. 31, 2017		113,931
Net loss	(13,613)					(13,613)
Other comprehensive income	807			807
Issuance of common stock from equity incentive plans, net of tax	6,196	$ 2	6,194
Issuance of common stock from equity incentive plans, net of tax, shares		1,822
Share-based compensation	7,818		7,818
Balance at Mar. 31, 2018	112,927	$ 116	935,728	(471)		(822,446)
Balance, common stock, shares at Mar. 31, 2018		115,753
Balance at Jun. 30, 2018	$ 112,732	$ 116	942,397	(1,703)		(828,078)
Balance, common stock, shares at Jun. 30, 2018	116,124	116,124
Treasury stock, shres at Jun. 30, 2018	0
Cumulative effect of adopting ASU 2016-01 at Jun. 30, 2018				(497)		497
Net loss	$ (8,798)					(8,798)
Other comprehensive income	(349)			(349)
Issuance of common stock from equity incentive plans, net of tax	13,044	$ 5	13,039
Issuance of common stock from equity incentive plans, net of tax, shares		4,911
Repurchase of stock, value	(15,000)				$ (15,000)
Repurchase of stock ,shares					(2,366)
Share-based compensation	24,339		24,339
Balance at Mar. 31, 2019	$ 125,968	$ 121	979,775	(2,549)		(836,379)
Balance, common stock, shares at Mar. 31, 2019	121,035	121,035
Treasury stock, shares at Mar. 31, 2019	2,366				(2,366)
Treasury stock, value at Mar. 31, 2019	$ 15,000				$ (15,000)
Balance at Dec. 31, 2018	115,871	$ 119	962,924	(2,725)		(829,447)
Balance, common stock, shares at Dec. 31, 2018		119,089
Treasury stock, shres at Dec. 31, 2018					(2,366)
Treasury stock, value at Dec. 31, 2018					$ (15,000)
Net loss	(6,932)					(6,932)
Other comprehensive income	176			176
Issuance of common stock from equity incentive plans, net of tax	8,039	$ 2	8,037
Issuance of common stock from equity incentive plans, net of tax, shares		1,946
Share-based compensation	8,814		8,814
Balance at Mar. 31, 2019	$ 125,968	$ 121	$ 979,775	$ (2,549)		$ (836,379)
Balance, common stock, shares at Mar. 31, 2019	121,035	121,035
Treasury stock, shares at Mar. 31, 2019	2,366				(2,366)
Treasury stock, value at Mar. 31, 2019	$ 15,000				$ (15,000)