Debt - Summary of Total Interest Expense Recognized (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Debt Instrument [Line Items]
Amortization of debt discount and debt issuance costs including initial purchaser discount		$ 20,732	$ 22,150	$ 12,550
0.25% Convertible Senior Note Due 2022
Debt Instrument [Line Items]
Debt instrument, interest rate	0.25%	0.25%
0.25% contractual coupon	$ 874		876	874
Amortization of debt discount and debt issuance costs including initial purchaser discount	13,748		13,172	12,550
Interest expense	$ 14,622		$ 14,048	$ 13,424