Goodwill and Intangible Assets, net - Components Of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Jun. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Total - gross	$ 4,798.8	$ 4,617.2
Total - accumulated amortization	(3,433.2)	(3,284.1)
Intangible assets, net	1,365.6	1,333.1
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Total - gross	3,435.9	3,271.3
Total - accumulated amortization	(2,346.2)	(2,251.9)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Total - gross	1,121.3	1,104.7
Total - accumulated amortization	(851.5)	(798.9)
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total - gross	241.6	241.2
Total - accumulated amortization	$ (235.5)	$ (233.3)