EQUITY AND CONVERTIBLE PREFERRED STOCK - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 3,997.4	$ 3,345.8
Other comprehensive income (loss) before reclassifications	(114.4)	(265.1)
Net amounts reclassified from AOCI/(L)	(0.6)	(1.1)
Net current-period other comprehensive income (loss)	(115.0)	(266.2)
Ending balance	3,908.7	3,243.1
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(662.4)	(717.9)
Ending balance	(777.4)	(984.1)
Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	0.7	4.3
Other comprehensive income (loss) before reclassifications	1.5	1.3
Net amounts reclassified from AOCI/(L)	0.0	(0.4)
Net current-period other comprehensive income (loss)	1.5	0.9
Ending balance	2.2	5.2
(Loss) gain on Net Investment Hedge
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(49.8)	4.1
Other comprehensive income (loss) before reclassifications	17.7	(5.3)
Net amounts reclassified from AOCI/(L)	0.0	0.0
Net current-period other comprehensive income (loss)	17.7	(5.3)
Ending balance	(32.1)	(1.2)
Other Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(667.9)	(770.8)
Other comprehensive income (loss) before reclassifications	(132.1)	(258.6)
Net amounts reclassified from AOCI/(L)	0.0	0.0
Net current-period other comprehensive income (loss)	(132.1)	(258.6)
Ending balance	(800.0)	(1,029.4)
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	54.6	44.5
Other comprehensive income (loss) before reclassifications	(1.5)	(2.5)
Net amounts reclassified from AOCI/(L)	(0.6)	(0.7)
Net current-period other comprehensive income (loss)	(2.1)	(3.2)
Ending balance	52.5	$ 41.3
Reclassification from accumulated other comprehensive income (loss), current period, before tax	(1.5)
Other comprehensive income (loss), tax	$ 0.9