Segment Information (Schedule Of Revenue By Geographic Area) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 2,606.6	$ 2,340.2	$ 2,066.7
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	1,588.7	1,345.2	1,229.2
Rest Of The World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 1,017.9	$ 995.0	$ 837.5