EARNINGS PER SHARE (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share Reconciliation [Abstract]
Basic	40,417	41,738	42,739
Dilutive effect of stock options and deferred stock compensation	185	261	277
Diluted	40,602	41,999	43,016
Net earnings	$ 267,159	$ 201,392	$ 307,583
Diluted earnings per share	$ 6.58	$ 4.80	$ 7.15
Basic earnings per share	$ 6.61	$ 4.83	$ 7.20