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, 2018	$ 112,732	$ 116	$ 942,397	$ (1,703)		$ (828,078)
Balance, common stock, shares at Jun. 30, 2018		116,124
Treasury stock, shares at Jun. 30, 2018					0
Treasury stock, value at Jun. 30, 2018					$ 0
Cumulative effect of adopting ASU 2016-01 at Jun. 30, 2018				(497)		497
Net income (loss)	(1,866)	$ 0	0	0	0	(1,866)
Other comprehensive loss	(525)	0	0	(525)	0	0
Issuance of common stock from equity incentive plans, net of tax	5,005	$ 3	5,002	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		2,965
Repurchase of stock	(15,000)	$ 0	0	0	$ (15,000)	0
Repurchase of stock, shares					(2,366)
Share-based compensation	15,525	0	15,525	0	$ 0	0
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, shares at Dec. 31, 2018					(2,366)
Treasury stock, value at Dec. 31, 2018					$ (15,000)
Balance at Sep. 30, 2018	117,131	$ 118	956,356	(2,697)		(836,646)
Balance, common stock, shares at Sep. 30, 2018		118,270
Treasury stock, shares at Sep. 30, 2018					0
Treasury stock, value at Sep. 30, 2018					$ 0
Net income (loss)	7,199	$ 0	0	0	0	7,199
Other comprehensive loss	(28)	0	0	(28)	0	0
Issuance of common stock from equity incentive plans, net of tax	(2,131)	$ 1	(2,132)	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		819
Repurchase of stock	(15,000)	$ 0	0	0	$ (15,000)	0
Repurchase of stock, shares					(2,366)
Share-based compensation	8,700	0	8,700	0	$ 0	0
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, shares at Dec. 31, 2018					(2,366)
Treasury stock, value at Dec. 31, 2018					$ (15,000)
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 income (loss)	(61,276)	$ 0	0	0	0	(61,276)
Other comprehensive loss	(12)	0	0	(12)	0	0
Issuance of common stock from equity incentive plans, net of tax	2,906	$ 3	2,903	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		3,078
Stock awards granted in connection with acquisition	3,530	$ 0	3,530	0	0	0
Equity forward contract	(4,821)	0	(4,821)	0	0	0
Repurchase of stock	(25,179)	0	0	0	$ (25,179)	0
Repurchase of stock, shares					(3,850)
Share-based compensation	19,792	0	19,792	0	$ 0	0
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	124,616
Treasury stock, shares at Dec. 31, 2019	(6,216)				(6,216)
Treasury stock, value at Dec. 31, 2019	$ (40,179)				$ (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 income (loss)	(23,538)	$ 0	0	0	0	(23,538)
Other comprehensive loss	886	0	0	886	0	0
Issuance of common stock from equity incentive plans, net of tax	(1,228)	$ 1	(1,229)	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		752
Equity forward contract	(4,821)	$ 0	(4,821)	0	0	0
Repurchase of stock	(25,179)	0	0	0	$ (25,179)	0
Repurchase of stock, shares					(3,850)
Share-based compensation	10,958	0	10,958	0	$ 0	0
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	124,616
Treasury stock, shares at Dec. 31, 2019	(6,216)				(6,216)
Treasury stock, value at Dec. 31, 2019	$ (40,179)				$ (40,179)