The Company and Its Significant Accounting Policies - Accrued Rewards (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Sales and Marketing Expenses
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Rewards and promotions expense	$ 219.8	$ 173.9	$ 95.2
Other Accruals and Current Liabilities
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Accrued rewards and promotions liability	$ 67.7	$ 55.4