Debt - Additional Information (Details)	2 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($) $ / shares	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Debt
Amortization of fees on debt		$ 1,640,000	$ 1,597,000	$ 1,573,000
Convertible Senior Notes Due 2027
Debt
Face amount	$ 420,000,000.0
Interest rate (as percent)	1.125%
Net proceeds	$ 408,600,000
Interest expense		4,700,000	4,700,000	4,700,000
Debt issuance costs	$ 11,400,000
Amortization of fees on debt		$ 1,600,000	$ 1,600,000	$ 1,600,000
Period prior to maturity date where noteholders may convert their notes at their election prior to the maturity date	2 days
Conversion rate	18.9109
Denomination of the Principal amount	$ 1,000
Conversion price (in dollars per share) | $ / shares	$ 52.88
Upper strike price (in dollars per share) | $ / shares	$ 86.174
Capped call transaction	$ 60,400,000