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EQUITY AND CONVERTIBLE PREFERRED STOCK - Schedule of accumulated other comprehensive income (loss) (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Balance, beginning of period | $ 4,011.7 | $ 3,997.4
Other comprehensive (loss) income before reclassifications | (161.6) | 57.8
Net amounts reclassified from AOCI/(L) | (2.3) | (2.0)
Net current-period other comprehensive income (loss) | (163.9) | 55.8
Ending balance | 3,968.9 | 4,612.7
Total |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Balance, beginning of period | (795.1) | (662.4)
Ending balance | (959.0) | (606.6)
Gain on Cash Flow Hedges |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Balance, beginning of period | 2.1 | 0.7
Other comprehensive (loss) income before reclassifications | 0.7 | (0.1)
Net amounts reclassified from AOCI/(L) | (1.2) | 0.5
Net current-period other comprehensive income (loss) | (0.5) | 0.4
Ending balance | 1.6 | 1.1
(Loss) gain on Net Investment Hedge |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Balance, beginning of period | (23.0) | (49.8)
Other comprehensive (loss) income before reclassifications | 45.6 | (9.9)
Net amounts reclassified from AOCI/(L) | 0.0 | 0.0
Net current-period other comprehensive income (loss) | 45.6 | (9.9)
Ending balance | 22.6 | (59.7)
Other Foreign Currency Translation Adjustments |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Balance, beginning of period | (823.0) | (667.9)
Other comprehensive (loss) income before reclassifications | (206.7) | 66.8
Net amounts reclassified from AOCI/(L) | 0.0 | 0.0
Net current-period other comprehensive income (loss) | (206.7) | 66.8
Ending balance | (1,029.7) | (601.1)
Pension and Other Post-Employment Benefit Plans |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Balance, beginning of period | 48.8 | 54.6
Other comprehensive (loss) income before reclassifications | (1.2) | 1.0
Net amounts reclassified from AOCI/(L) | (1.1) | (2.5)
Net current-period other comprehensive income (loss) | (2.3) | (1.5)
Ending balance | 46.5 | $ 53.1
Reclassification from accumulated other comprehensive income (loss), current period, before tax | 2.0 |
Other comprehensive income (loss), tax | $ 0.9 |

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