v3.26.1
Earnings Per Share (Schedule of Earnings Per Share) (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings Per Share [Line Items]        
Net income attributable to the Company $ 218.5 $ 146.1 $ 343.6 $ 220.3
Basic weighted-average shares 102.6 103.5 102.8 103.7
Diluted weighted-average shares 103.0 103.8 103.1 104.0
Basic $ 2.13 $ 1.41 $ 3.34 $ 2.12
Diluted $ 2.12 $ 1.41 $ 3.33 $ 2.12
RSUs and PRSUs        
Earnings Per Share [Line Items]        
Effect of dilutive restricted stock units ("RSUs") and performance restricted stock units ("PRSUs") 0.4 0.3 0.3 0.3