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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Income Taxes - Additional Information [Line Items]        
Discrete Benefit for Swiss Tax Reform       $ 14.5
Effective Income Tax Rate Reconciliation, Provision to Return Adjustment, Amount $ 12.4      
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ 3.5      
Income Tax (Textual) [Abstract]        
Effective tax rate (8.00%) 93.10% (84.60%) 143.50%