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Goodwill - Schedule of Changes in Carrying Value of Goodwill (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Goodwill [Roll Forward]        
Beginning balance     $ 210.1  
Acquisition     12.0  
Foreign currency translation     1.0  
Goodwill impairment $ (181.9) $ 0.0 (181.9) $ 0.0
Ending balance $ 41.2   $ 41.2