v3.26.1
DERIVATIVE INSTRUMENTS - Schedule of Amount of Gains and Losses Related to Derivative Financial Instruments (Details) - Foreign exchange forward contracts - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Location, Statement of Income, Balance [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) recognized in operations $ 28.0 $ (11.1) $ (30.1)
Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) recognized in operations (133.0) (291.7) (124.2)
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) recognized in operations $ (0.5) $ (0.7) $ 0.1