Goodwill And Intangible Assets, Net - Components of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Total - gross	$ 5,227.3	$ 4,931.4
Total - accumulated amortization	(3,891.3)	(3,587.8)
Intangible assets, net	1,336.0	1,343.6
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Total - gross	3,803.7	3,548.9
Total - accumulated amortization	(2,642.6)	(2,442.6)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Total - gross	1,181.6	1,140.6
Total - accumulated amortization	(1,007.6)	(907.5)
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total - gross	242.0	241.9
Total - accumulated amortization	$ (241.1)	$ (237.7)