v3.26.1
Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accumulated Other Comprehensive Income    
Beginning balance $ 1,543.9 $ 1,428.6
Other comprehensive income before reclassifications 2.3 12.9
Actuarial loss reclassified from accumulated other comprehensive income   0.6
Net current-period other comprehensive income 2.3 13.5
Ending balance 1,562.7 1,461.8
Total    
Accumulated Other Comprehensive Income    
Beginning balance 21.9 (65.4)
Net current-period other comprehensive income 2.3 13.5
Ending balance 24.2 (51.9)
Unrealized Translation Adjustments    
Accumulated Other Comprehensive Income    
Beginning balance 21.3 (5.4)
Other comprehensive income before reclassifications 2.3 12.9
Actuarial loss reclassified from accumulated other comprehensive income   0.0
Net current-period other comprehensive income   12.9
Ending balance 23.6 7.5
Pension Plans    
Accumulated Other Comprehensive Income    
Beginning balance 0.6 (60.0)
Other comprehensive income before reclassifications 0.0 0.0
Actuarial loss reclassified from accumulated other comprehensive income   0.6
Net current-period other comprehensive income   0.6
Ending balance $ 0.6 $ (59.4)