Income Taxes (Components of Provision (Benefit) For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Current:
Federal	$ 840.0	$ 620.7	$ 749.3
Foreign	104.6	97.5	121.9
State	161.1	100.4	142.6
Total current	1,105.7	818.6	1,013.8
Deferred:
Federal	(77.4)	20.7	(182.6)
Foreign	4.3	(12.9)	(19.1)
State	(7.0)	28.8	(49.4)
Total deferred	(80.1)	36.6	(251.1)
Total provision for income taxes	$ 1,025.6	$ 855.2	$ 762.7