Debt - Schedule of Carrying Values of All Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Carrying amount of equity conversion component	$ 26,078
Principal amount	202,865
Unamortized debt costs	(3,512)
Unamortized debt discount	(25,556)
Net carrying amount	173,797
Reported as:
Short-term debt	3,790
Long-term debt	170,007	$ 189,307
Net carrying amount	173,797
Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	20,000
Net carrying amount	20,000
Reported as:
Net carrying amount	20,000
3.75% Convertible Notes Due 2022
Debt Instrument [Line Items]
Carrying amount of equity conversion component	134
Principal amount	2,865
Unamortized debt costs	(34)
Unamortized debt discount	(119)
Net carrying amount	2,712
Reported as:
Net carrying amount	2,712
3.75% Convertible Notes Due 2026
Debt Instrument [Line Items]
Carrying amount of equity conversion component	25,944
Principal amount	100,000
Unamortized debt costs	(2,175)
Unamortized debt discount	(25,437)
Net carrying amount	72,388
Reported as:
Net carrying amount	72,388
Term Loan Facility due December 2022
Debt Instrument [Line Items]
Principal amount	80,000
Unamortized debt costs	(1,303)
Net carrying amount	78,697
Reported as:
Net carrying amount	$ 78,697