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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Sep. 19, 2024
Jun. 30, 2024
Income Tax Contingency [Line Items]            
Effective income tax rate (as a percent) 18.10% 17.60% 14.40% 13.40%    
Effective canadian statutory income tax rate (as a percent) 26.50%   26.50%      
Unrecognized tax benefits $ 148.6   $ 148.6     $ 180.4
Interest and penalties accrued 19.1   19.1     24.3
Possible decrease in tax expense in next 12 months 28.6   28.6      
Provision for deferred income tax liabilities $ 16.8   $ 16.8     $ 15.9
Pending Litigation            
Income Tax Contingency [Line Items]            
Refund receivable         $ 43.8