Revenue - Schedule of Deferred Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Capitalized Contract Cost [Line Items]
Deferred contract costs	$ 2,965.0	$ 2,769.7
Amortization of deferred contract costs	1,067.6	992.9	$ 955.2
Deferred costs to obtain a contract
Capitalized Contract Cost [Line Items]
Deferred contract costs	1,353.0	1,251.6
Deferred costs to fulfill a contract
Capitalized Contract Cost [Line Items]
Deferred contract costs	$ 1,612.0	$ 1,518.1