Employee Benefit Plans (Funded Status of Pension Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets, beginning of year	$ 2,178.1	$ 2,138.4
Actual return on plan assets	142.0	148.5
Employer contributions	10.0	10.9
Currency translation adjustments	(7.0)	5.0
Benefits Paid	412.6	124.7
Fair Value of Plan Assets, end of year	1,910.5	2,178.1	$ 2,138.4
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	2,135.3	1,866.7
Service cost	59.8	74.6	80.8
Interest cost	78.6	65.4	60.0
Actuarial (gains)/losses	95.8	(73.7)
Currency translation adjustments	(8.7)	7.5
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment	0.8	0.0
Curtailments and special termination benefits	2.2	319.5
Benefits Paid	(412.6)	(124.7)
Projected benefit obligation at end of year	1,951.2	2,135.3	$ 1,866.7
Funded status - plan assets less benefit obligations	$ (40.7)	$ 42.8