EQUITY AND CONVERTIBLE PREFERRED STOCK - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 4,011.7	$ 3,997.4
Other comprehensive income (loss) before reclassifications	122.4	(114.4)
Net amounts reclassified from AOCI/(L)	(1.8)	(0.6)
Net current-period other comprehensive income (loss)	120.6	(115.0)
Ending balance	4,231.9	3,908.7
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(795.1)	(662.4)
Ending balance	(674.5)	(777.4)
Gain (loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	2.1	0.7
Other comprehensive income (loss) before reclassifications	(0.4)	1.5
Net amounts reclassified from AOCI/(L)	(0.4)	0.0
Net current-period other comprehensive income (loss)	(0.8)	1.5
Ending balance	1.3	2.2
(Loss) gain on Net Investment Hedge
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(23.0)	(49.8)
Other comprehensive income (loss) before reclassifications	(60.2)	17.7
Net amounts reclassified from AOCI/(L)	0.0	0.0
Net current-period other comprehensive income (loss)	(60.2)	17.7
Ending balance	(83.2)	(32.1)
Other Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(823.0)	(667.9)
Other comprehensive income (loss) before reclassifications	180.7	(132.1)
Net amounts reclassified from AOCI/(L)	0.0	0.0
Net current-period other comprehensive income (loss)	180.7	(132.1)
Ending balance	(642.3)	(800.0)
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	48.8	54.6
Other comprehensive income (loss) before reclassifications	2.3	(1.5)
Net amounts reclassified from AOCI/(L)	(1.4)	(0.6)
Net current-period other comprehensive income (loss)	0.9	(2.1)
Ending balance	49.7	$ 52.5
Reclassification from accumulated other comprehensive income (loss), current period, before tax	1.0
Other comprehensive income (loss), tax	$ 0.4