Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 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, 2020	$ 5,398	$ 127	$ 1,035,041	$ (6,378)		$ (980,279)
Balance, common stock, shares at Jun. 30, 2020		127,114
Treasury stock, shares at Jun. 30, 2020					(6,597)
Treasury stock, value at Jun. 30, 2020					$ (43,113)
Net income (loss)	(8,812)					(8,812)
Other comprehensive income (loss)	1,442			1,442
Issuance of common stock from equity incentive plans, net of tax withholdings	3,581	$ 3	3,578
Issuance of common stock from equity incentive plans, net of tax withholdings, shares		2,418
Share-based compensation	8,302		8,302
Balance at Sep. 30, 2020	9,911	$ 130	1,046,921	(4,936)		(989,091)
Balance, common stock, shares at Sep. 30, 2020		129,532
Treasury stock, shares at Sep. 30, 2020					(6,597)
Treasury stock, value at Sep. 30, 2020					$ (43,113)
Balance at Jun. 30, 2021	$ 54,468	$ 133	1,078,602	(2,811)		(978,343)
Balance, common stock, shares at Jun. 30, 2021	133,279	133,279
Treasury stock, shares at Jun. 30, 2021	(6,597)				(6,597)
Treasury stock, value at Jun. 30, 2021	$ (43,113)				$ (43,113)
Net income (loss)	12,696					12,696
Other comprehensive income (loss)	(911)			(911)
Issuance of common stock from equity incentive plans, net of tax withholdings	(4,372)	$ 3	(4,375)
Issuance of common stock from equity incentive plans, net of tax withholdings, shares		3,072
Share-based compensation	10,444		10,444
Balance at Sep. 30, 2021	$ 72,325	$ 136	$ 1,084,671	$ (3,722)		$ (965,647)
Balance, common stock, shares at Sep. 30, 2021	136,351	136,351
Treasury stock, shares at Sep. 30, 2021	(6,597)				(6,597)
Treasury stock, value at Sep. 30, 2021	$ (43,113)				$ (43,113)