Earnings Per Share - Computation of Basic and Diluted Net EPS (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net earnings attributable to controlling interests	$ 969.5	$ 1,114.2	$ 906.8
Weighted average number of common shares outstanding	214.9	210.3	202.7
Dilutive effect of stock options using the treasury stock method	4.4	4.4	4.6
Weighted average number of common and common equivalent shares outstanding	219.3	214.7	207.3
Basic net earnings per share	$ 4.51	$ 5.3	$ 4.47
Diluted net earnings per share	$ 4.42	$ 5.19	$ 4.37