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Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Share [Abstract]                
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest $ 105.5 $ 112.9 $ 93.8 $ 93.4 $ 79.9 $ 67.8 $ 312.2 $ 241.1
Weighted average common shares outstanding                
Basic (shares) 165.8     166.5     165.6 166.4
Dilutive impact of stock options, restricted stock units and performance share units 2.8     1.8     2.6 1.8
Diluted (shares) 168.6     168.3     168.2 168.2
Earnings per ordinary share                
Basic pro forma earnings per ordinary share (in dollars per share) $ 0.64     $ 0.56     $ 1.89 $ 1.45
Diluted pro forma earnings per ordinary share (in dollars per share) $ 0.63     $ 0.55     $ 1.86 $ 1.43
Anti-dilutive stock options excluded from the calculation of diluted earnings per share 0.4     0.7     0.3 0.5