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INCOME TAXES - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Jun. 30, 2022
Income Tax Disclosure [Abstract]          
Effective income tax rate (as a percent) (27.50%) 35.50% 26.50% 29.60%  
Effective canadian statutory income tax rate (as a percent) 26.50%   26.50%    
Unrecognized tax benefits $ 134.9   $ 134.9   $ 54.1
Interest and penalties accrued 15.6   15.6   8.4
Possible decrease in tax expense in next 12 months 12.9   12.9    
Provision for deferred income tax liabilities $ 18.6   $ 18.6   $ 15.1