Employee Benefit Plans (Funded Status of Pension Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Change in plan assets:
Fair value of plan assets at beginning of year	$ 1,988.8	$ 1,910.5
Actual return on plan assets	385.2	172.1
Employer contributions	10.9	9.8
Currency translation adjustments	21.8	(3.5)
Benefits paid	(100.4)	(100.1)
Fair value of plan assets at end of year	2,306.3	1,988.8	$ 1,910.5
Change in benefit obligation:
Benefit obligation at beginning of year	2,180.1	1,951.2
Service cost	4.9	59.7	59.8
Interest cost	51.4	61.8	78.6
Actuarial loss	(11.8)	210.7
Currency translation adjustments	25.1	(3.6)
Plan changes	0.0	0.4
Benefits paid	(100.4)	(100.1)
Projected benefit obligation at end of year	2,149.3	2,180.1	$ 1,951.2
Funded status - plan assets less benefit obligations	$ 157.0	$ (191.3)