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)	(8,798)	$ 0	0	0	0	(8,798)
Other comprehensive loss	(349)	0	0	(349)	0	0
Issuance of common stock from equity incentive plans, net of tax	13,044	$ 5	13,039	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		4,911
Repurchase of stock	(15,000)	$ 0	0	0	$ (15,000)	0
Repurchase of stock, shares					(2,366)
Share-based compensation	24,339	0	24,339	0	$ 0	0
Balance at Mar. 31, 2019	125,968	$ 121	979,775	(2,549)		(836,379)
Balance, common stock, shares at Mar. 31, 2019		121,035
Treasury stock, shares at Mar. 31, 2019					(2,366)
Treasury stock, value at Mar. 31, 2019					$ (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, shares at Dec. 31, 2018					(2,366)
Treasury stock, value at Dec. 31, 2018					$ (15,000)
Net income (loss)	(6,932)	$ 0	0	0	0	(6,932)
Other comprehensive loss	176	0	0	176	0	0
Issuance of common stock from equity incentive plans, net of tax	8,039	$ 2	8,037	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		1,946
Share-based compensation	8,814	$ 0	8,814	0	$ 0	0
Balance at Mar. 31, 2019	125,968	$ 121	979,775	(2,549)		(836,379)
Balance, common stock, shares at Mar. 31, 2019		121,035
Treasury stock, shares at Mar. 31, 2019					(2,366)
Treasury stock, value at Mar. 31, 2019					$ (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)	(105,628)	$ 0	0	0	0	(105,628)
Other comprehensive loss	(3,915)	0	0	(3,915)	0	0
Issuance of common stock from equity incentive plans, net of tax	9,491	$ 5	9,486	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		5,198
Stock awards granted in connection with acquisition	3,530	$ 0	3,530	0	0	0
Repurchase of stock	(30,000)	0	(1,887)	0	$ (28,113)	0
Repurchase of stock, shares					(4,231)
Share-based compensation	26,935	0	26,935	0	$ 0	0
Balance at Mar. 31, 2020	$ 16,400	$ 127	1,024,836	(6,388)		(959,062)
Balance, common stock, shares at Mar. 31, 2020	126,736	126,736
Treasury stock, shares at Mar. 31, 2020	(6,597)				(6,597)
Treasury stock, value at Mar. 31, 2020	$ (43,113)				$ (43,113)
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)
Net income (loss)	(44,352)	$ 0	0	0	0	(44,352)
Other comprehensive loss	(3,903)	0	0	(3,903)	0	0
Issuance of common stock from equity incentive plans, net of tax	6,585	$ 2	6,583	0	0	0
Issuance of common stock from equity incentive plans, net of tax, shares		2,120
Equity forward contract	4,821	$ 0	4,821	0	0	0
Repurchase of stock	(4,821)	0	(1,887)	0	$ (2,934)	0
Repurchase of stock, shares					(381)
Share-based compensation	7,143	0	7,143	0	$ 0	0
Balance at Mar. 31, 2020	$ 16,400	$ 127	$ 1,024,836	$ (6,388)		$ (959,062)
Balance, common stock, shares at Mar. 31, 2020	126,736	126,736
Treasury stock, shares at Mar. 31, 2020	(6,597)				(6,597)
Treasury stock, value at Mar. 31, 2020	$ (43,113)				$ (43,113)