Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Notes payable	$ 3,004.1	$ 3,004.9
Less: current portion	(1.1)	(1.2)
Less: unamortized discount and debt issuance costs	(11.7)	(14.7)
Total long-term debt	$ 2,991.3	2,989.0
Notes due on 2025
Debt Instrument [Line Items]
Interest rate, stated percentage	3.375%
Effective Interest Rate	3.47%
Notes payable	$ 1,000.0	1,000.0
Notes due on 2028
Debt Instrument [Line Items]
Interest rate, stated percentage	1.70%
Effective Interest Rate	1.85%
Notes payable	$ 1,000.0	1,000.0
Notes due on 2030
Debt Instrument [Line Items]
Interest rate, stated percentage	1.25%
Effective Interest Rate	1.83%
Notes payable	$ 1,000.0	1,000.0
Other
Debt Instrument [Line Items]
Notes payable	$ 4.1	$ 4.9

Amount of debt and lease obligation, classified as current.

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