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	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Numerator:
Net earnings attributable to shareholders	$ 810,332	$ 810,073	$ 752,883
Denominator:
Weighted average basic shares outstanding	135,810	140,992	149,141
Effect of dilutive share-based awards	439	730	1,045
Weighted-average diluted shares	136,249	141,722	150,186
Basic earnings per share	$ 5.97	$ 5.75	$ 5.05
Diluted earnings per share	$ 5.95	$ 5.72	$ 5.01