XML 127 R97.htm IDEA: XBRL DOCUMENT v3.24.0.1
Shareholders' Equity - Schedule of Treasury Shares (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Movement In Treasury Shares [Roll Forward]      
Beginning balance $ 207.3 $ 209.1 $ 167.1
Purchase of treasury shares (2.7) (11.1) (6.4)
Utilization of treasury shares (0.1) (0.4) 0.0
Ending balance 212.6 207.3 209.1
Treasury shares      
Movement In Treasury Shares [Roll Forward]      
Beginning balance (20.4) (9.6) (4.0)
Purchase of treasury shares (2.7) (11.1) (6.4)
Utilization of treasury shares 0.2 0.3 0.1
Ending balance $ (22.9) $ (20.4) $ (9.6)