Segment Information (Schedule Of Long-Lived Assets By Geographic Areas) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	$ 387.5	$ 386.5	$ 394.2
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	149.7	142.3	150.7
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	165.5	173.4	183.1
Rest Of The World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	$ 72.3	$ 70.8	$ 60.4