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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Jun. 30, 2020
Accounting Policies [Abstract]      
Amount capitalized for deferred software costs related to cloud computing arrangements $ 3.2 $ 6.6  
Accrued compensation and employee benefits 27.6   $ 32.8
Accrued distribution $ 11.1   $ 7.1