v3.25.1
Changes in Accumulated Other Comprehensive Income/(Loss) by Component - Schedule of Components of Accumulated Other Comprehensive Income/(Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Changes In Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance $ 2,228.3 $ 2,067.6 $ 2,168.2 $ 2,240.6
Other comprehensive income before reclassifications (26.7) 36.1 (46.7) (29.7)
Amounts reclassified from accumulated other comprehensive income 0.3 0.3 0.9 0.8
Ending balance 2,382.3 2,267.2 2,382.3 2,267.2
Foreign Currency Translation        
Changes In Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (340.3) (339.4) (320.3) (273.6)
Other comprehensive income before reclassifications (26.7) 36.1 (46.7) (29.7)
Amounts reclassified from accumulated other comprehensive income 0.0 0.0 0.0 0.0
Ending balance (367.0) (303.2) (367.0) (303.2)
Pension and Post- Retirement Liabilities        
Changes In Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (5.5) (4.5) (5.7) (4.6)
Other comprehensive income before reclassifications 0.0 0.0 0.0 0.0
Amounts reclassified from accumulated other comprehensive income 0.1 0.1 0.3 0.2
Ending balance (5.4) (4.5) (5.4) (4.5)
Cash Flow Hedge        
Changes In Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (5.3) (6.1) (5.7) (6.5)
Other comprehensive income before reclassifications 0.0 0.0 0.0 0.0
Amounts reclassified from accumulated other comprehensive income 0.2 0.2 0.6 0.6
Ending balance (5.1) (5.9) (5.1) (5.9)
Accumulated Other Comprehensive Income (Loss)        
Changes In Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (351.1) (350.0) (331.7) (284.7)
Ending balance $ (377.5) $ (313.6) $ (377.5) $ (313.6)