v3.26.3
Earnings Per Share (Schedule of Earnings Per Share) (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings Per Share [Line Items]        
Net income attributable to the Company $ 177.0 $ 189.6 $ 520.6 $ 409.9
Basic weighted-average shares 102.7 102.8 102.8 103.5
Diluted weighted-average shares 103.2 103.1 103.2 103.8
Basic $ 1.72 $ 1.84 $ 5.06 $ 3.96
Diluted $ 1.72 $ 1.84 $ 5.04 $ 3.95
RSUs and PRSUs        
Earnings Per Share [Line Items]        
Effect of dilutive restricted stock units ("RSUs") and performance restricted stock units ("PRSUs") 0.5 0.3 0.4 0.3