v3.26.1
EQUITY AND CONVERTIBLE PREFERRED STOCK - Schedule of accumulated other comprehensive income (loss) (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period $ 3,719.0 $ 4,011.7
Ending balance 3,273.6 3,675.2
Total    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (733.4) (795.1)
Other comprehensive (loss) income before reclassifications (13.8) (41.2)
Net amounts reclassified from AOCI/(L) 1.0 (4.5)
Net current-period other comprehensive income (loss) (12.8) (45.7)
Ending balance (746.2) (840.8)
Gain (Loss) on Cash Flow Hedges    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (1.1) 2.1
Other comprehensive (loss) income before reclassifications (0.8) (0.2)
Net amounts reclassified from AOCI/(L) 1.4 (2.0)
Net current-period other comprehensive income (loss) 0.6 (2.2)
Ending balance (0.5) (0.1)
(Loss) gain on Net Investment Hedge    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (204.8) (23.0)
Other comprehensive (loss) income before reclassifications 17.0 (3.5)
Net amounts reclassified from AOCI/(L) 0.0 0.0
Net current-period other comprehensive income (loss) 17.0 (3.5)
Ending balance (187.8) (26.5)
Other Foreign Currency Translation Adjustments    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (582.7) (823.0)
Other comprehensive (loss) income before reclassifications (28.7) (38.3)
Net amounts reclassified from AOCI/(L) 0.0 0.0
Net current-period other comprehensive income (loss) (28.7) (38.3)
Ending balance (611.4) (861.3)
Pension and Other Post-Employment Benefit Plans    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period 55.2 48.8
Other comprehensive (loss) income before reclassifications (1.3) 0.8
Net amounts reclassified from AOCI/(L) (0.4) (2.5)
Net current-period other comprehensive income (loss) (1.7) (1.7)
Ending balance 53.5 $ 47.1
Reclassification from accumulated other comprehensive income (loss), current period, before tax 3.7  
Other comprehensive income (loss), tax $ 3.3