Other Income, Net (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Schedule Of Non-Service Component [Line Items]
Impairment of intangible assets	$ 0.0	$ 0.0	$ 12.1	$ 0.0
Gain (Loss) on Disposition of Assets	4.1	$ 0.0	4.1	$ 0.4
Non-cash Settlement Charges
Schedule Of Non-Service Component [Line Items]
VERP Expenses	12.8		28.1
Other Components
Schedule Of Non-Service Component [Line Items]
Other components of net periodic pension cost	$ (13.7)		$ (27.4)