EARNINGS PER SHARE (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share Reconciliation [Abstract]
Basic	38,283	38,386	40,417
Dilutive effect of stock options and deferred stock compensation	246	263	185
Diluted	38,529	38,649	40,602
Net earnings	$ 354,509	$ 294,348	$ 262,829
Diluted earnings per share (in shares)	$ 9.20	$ 7.62	$ 6.47
Basic earnings per share (in shares)	$ 9.26	$ 7.67	$ 6.50