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, 2019	$ 115,987	$ 122	$ 986,772	$ (2,473)		$ (853,434)
Balance, common stock, shares at Jun. 30, 2019		121,538
Treasury stock, shares at Jun. 30, 2019					(2,366)
Treasury stock, value at Jun. 30, 2019					$ (15,000)
Net loss	(37,738)	$ 0	0	0	0	(37,738)
Other comprehensive income (loss)	(898)	0	0	(898)	0	0
Issuance of common stock from equity incentive plans, net of tax	4,134	$ 2	4,132	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		2,326
Stock awards granted in connection with acquisition	3,530	$ 0	3,530	0	0	0
Share-based compensation	8,834	0	8,834	0	$ 0	0
Balance at Sep. 30, 2019	93,849	$ 124	1,003,268	(3,371)		(891,172)
Balance, common stock, shares at Sep. 30, 2019		123,864
Treasury stock, shares at Sep. 30, 2019					(2,366)
Treasury stock, value at Sep. 30, 2019					$ (15,000)
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)
Net loss	(8,812)	$ 0	0	0	0	(8,812)
Other comprehensive income (loss)	1,442	0	0	1,442	0	0
Issuance of common stock from equity incentive plans, net of tax	3,581	$ 3	3,578	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		2,418
Share-based compensation	8,302	$ 0	8,302	0	$ 0	0
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	129,532
Treasury stock, shares at Sep. 30, 2020	(6,597)				(6,597)
Treasury stock, value at Sep. 30, 2020	$ (43,113)				$ (43,113)