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		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net earnings attributable to shareholders	$ 183,574	$ 175,469	$ 387,369	$ 344,621
Denominator:
Weighted average basic shares outstanding	136,266	141,013	137,045	142,104
Effect of dilutive share-based awards	365	703	492	824
Weighted-average diluted shares	136,631	141,716	137,537	142,928
Basic earnings per share	$ 1.35	$ 1.24	$ 2.83	$ 2.43
Diluted earnings per share	$ 1.34	$ 1.24	$ 2.82	$ 2.41