Employee Benefit Plans (Funded Status of Pension Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets, beginning of year	$ 2,006.3	$ 2,009.8
Actual return on plan assets	195.2	61.2
Employer contributions	11.9	11.0
Currency translation adjustments	(3.2)	(8.7)
Benefits paid	(71.8)	(67.0)
Fair Value of Plan Assets, end of year	2,138.4	2,006.3	$ 2,009.8
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	1,843.9	1,661.0
Service cost	80.8	70.4	68.4
Interest cost	60.0	67.4	62.8
Actuarial (gains)/losses	(44.5)	145.3
Currency translation adjustments	2.7	(7.6)
Defined Benefit Plan, Plan Amendments	0.0	(25.6)
Curtailments and special termination benefits	(4.4)	0.0
Benefits paid	(71.8)	(67.0)
Projected benefit obligation at end of year	1,866.7	1,843.9	$ 1,661.0
Funded status - plan assets less benefit obligations	$ 271.7	$ 162.4