Income Taxes (Provisions For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current, Federal	$ 31.3	$ (4.9)	$ 36.6
Current, State	2.6	4.5	8.6
Current, Foreign	31.9	37.2	23.0
Current, Total	65.8	36.8	68.2
Deferred, Federal	(15.8)	23.2	6.7
Deferred, State	(1.1)	1.3	(1.2)
Deferred, Foreign	0.0	(1.0)	(21.3)
Deferred, Total	(16.9)	23.5	(15.8)
Provision for income taxes	$ 48.9	$ 60.3	$ 52.4