Debt - Schedule of Carrying Values of All Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Debt Instrument [Line Items]
Carrying amount of equity conversion component		$ 26,078
Principal amount of the Notes	$ 185,865	202,865
Unamortized debt costs	(3,832)	(3,512)
Unamortized debt discount		(25,556)
Net carrying amount	182,033	173,797
Reported as:
Short-term debt	7,541	3,790
Long-term debt	174,492	170,007
Net carrying amount	182,033	173,797
Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount of the Notes	5,000	20,000
Unamortized debt costs	(1,200)	(1,300)
Net carrying amount	5,000	20,000
Reported as:
Net carrying amount	5,000	20,000
3.75% Convertible Notes Due 2022
Debt Instrument [Line Items]
Carrying amount of equity conversion component		134
Principal amount of the Notes	2,865	2,865
Unamortized debt costs	(14)	(34)
Unamortized debt discount		(119)
Net carrying amount	2,851	2,712
Reported as:
Net carrying amount	2,851	2,712
3.75% Convertible Notes Due 2026
Debt Instrument [Line Items]
Carrying amount of equity conversion component		25,944
Principal amount of the Notes	100,000	100,000
Unamortized debt costs	(2,656)	(2,175)
Unamortized debt discount		(25,437)
Net carrying amount	97,344	72,388
Reported as:
Net carrying amount	97,344	72,388
Term Loan Facility due December 2022
Debt Instrument [Line Items]
Principal amount of the Notes	78,000	80,000
Unamortized debt costs	(1,162)	(1,303)
Net carrying amount	76,838	78,697
Reported as:
Net carrying amount	$ 76,838	$ 78,697