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Earnings Per Share (Schedule of Earnings Per Share) (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Net income attributable to the Company $ 45.9 $ 97.9
Basic weighted-average shares 104.5 110.4
Effect of dilutive restricted stock units (“RSUs”) 0.3 0.4
Diluted weighted-average shares 104.8 110.8
Basic $ 0.44 $ 0.89
Diluted $ 0.44 $ 0.88