Basic and Diluted Earnings per Share - Numerator and Denominator of the Basic and Diluted Per Share Computations for Earnings Attributable to Shareholders Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net earnings attributable to shareholders	$ 229,574	$ 171,353	$ 574,195	$ 594,164
Denominator:
Weighted average basic shares outstanding	140,417	147,099	141,540	150,543
Effect of dilutive share-based awards	610	902	748	1,076
Weighted-average diluted shares	141,027	148,001	142,288	151,619
Basic earnings per share	$ 1.63	$ 1.16	$ 4.06	$ 3.95
Diluted earnings per share	$ 1.63	$ 1.16	$ 4.04	$ 3.92