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	(61,276)					(61,276)
Other comprehensive income (loss)	(12)			(12)
Issuance of common stock from equity incentive plans, net of tax	2,906	$ 3	2,903
Issuance of common stock from equity incentive plans, net of tax, shares		3,078
Stock awards granted in connection with acquisition	3,530		3,530
Equity forward contract	(4,821)		(4,821)
Repurchase of stock	(25,179)				$ (25,179)
Repurchase of stock, shares					(3,850)
Share-based compensation	19,792		19,792
Balance at Dec. 31, 2019	50,927	$ 125	1,008,176	(2,485)		(914,710)
Balance, common stock, shares at Dec. 31, 2019		124,616
Treasury stock, shares at Dec. 31, 2019					(6,216)
Treasury stock, value at Dec. 31, 2019					$ (40,179)
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)
Net loss	(23,538)					(23,538)
Other comprehensive income (loss)	886			886
Issuance of common stock from equity incentive plans, net of tax	(1,228)	$ 1	(1,229)
Issuance of common stock from equity incentive plans, net of tax, shares		752
Equity forward contract	(4,821)		(4,821)
Repurchase of stock	(25,179)				$ (25,179)
Repurchase of stock, shares					(3,850)
Share-based compensation	10,958		10,958
Balance at Dec. 31, 2019	50,927	$ 125	1,008,176	(2,485)		(914,710)
Balance, common stock, shares at Dec. 31, 2019		124,616
Treasury stock, shares at Dec. 31, 2019					(6,216)
Treasury stock, value at Dec. 31, 2019					$ (40,179)
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	(11,862)					(11,862)
Other comprehensive income (loss)	3,708			3,708
Issuance of common stock from equity incentive plans, net of tax	2,284	$ 3	2,281
Issuance of common stock from equity incentive plans, net of tax, shares		3,066
Share-based compensation	18,397		18,397
Balance at Dec. 31, 2020	$ 17,925	$ 130	1,055,719	(2,670)		(992,141)
Balance, common stock, shares at Dec. 31, 2020	130,180	130,180
Treasury stock, shares at Dec. 31, 2020	(6,597)				(6,597)
Treasury stock, value at Dec. 31, 2020	$ (43,113)				$ (43,113)
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)
Net loss	(3,050)					(3,050)
Other comprehensive income (loss)	2,266			2,266
Issuance of common stock from equity incentive plans, net of tax	(1,297)		(1,297)
Issuance of common stock from equity incentive plans, net of tax, shares		648
Share-based compensation	10,095		10,095
Balance at Dec. 31, 2020	$ 17,925	$ 130	$ 1,055,719	$ (2,670)		$ (992,141)
Balance, common stock, shares at Dec. 31, 2020	130,180	130,180
Treasury stock, shares at Dec. 31, 2020	(6,597)				(6,597)
Treasury stock, value at Dec. 31, 2020	$ (43,113)				$ (43,113)