Goodwill And Other Intangible Assets, Net (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Goodwill [Line Items]
Impairment of goodwill	$ 0.0	$ 0.0
Amortization expense	$ 46.4
Patents [Member]
Goodwill [Line Items]
Intangible assets, estimated useful life	5 years
Amortization expense	$ 8.0
Minimum [Member]
Goodwill [Line Items]
Intangible assets, estimated useful life	2 years
Maximum [Member]
Goodwill [Line Items]
Intangible assets, estimated useful life	15 years