EQUITY AND CONVERTIBLE PREFERRED STOCK - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 3,062,200,000	$ 3,228,800,000
Other comprehensive income (loss) before reclassifications	(247,900,000)	128,800,000
Net amounts reclassified from AOCI/(L)	9,600,000	900,000
Net current-period other comprehensive income (loss)	(238,300,000)	129,700,000
Balance, end of period	3,668,600,000	3,295,300,000
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(321,900,000)	(456,200,000)
Balance, end of period	(560,200,000)	(326,500,000)
(Loss) gain on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(15,500,000)	(43,000,000.0)
Other comprehensive income (loss) before reclassifications	2,600,000	(200,000)
Net amounts reclassified from AOCI/(L)	7,300,000	15,600,000
Net current-period other comprehensive income (loss)	9,900,000	15,400,000
Balance, end of period	(5,600,000)	(27,600,000)
(Loss) gain on Net Investment Hedge
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(32,200,000)	261,900,000
Other comprehensive income (loss) before reclassifications	18,900,000	(385,100,000)
Net amounts reclassified from AOCI/(L)	0	0
Net current-period other comprehensive income (loss)	18,900,000	(385,100,000)
Balance, end of period	(13,300,000)	(123,200,000)
Other Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(259,300,000)	(683,800,000)
Other comprehensive income (loss) before reclassifications	(269,400,000)	514,100,000
Net amounts reclassified from AOCI/(L)	0	0
Net current-period other comprehensive income (loss)	(269,400,000)	514,100,000
Balance, end of period	(528,700,000)	(169,700,000)
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(14,900,000)	8,700,000
Other comprehensive income (loss) before reclassifications	0	0
Net amounts reclassified from AOCI/(L)	2,300,000	(14,700,000)
Net current-period other comprehensive income (loss)	2,300,000	(14,700,000)
Balance, end of period	(12,600,000)	$ (6,000,000.0)
Reclassification from accumulated other comprehensive income (loss), current period, before tax	2,300,000
Other comprehensive income (loss), tax	$ 0