SEGMENT INFORMATION (Reconciliation) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting [Abstract]
Total operating income	$ 97,669	$ 84,573	$ 277,318	$ 212,368
Interest expense	(9,955)	(9,055)	(30,094)	(25,059)
Other income, net	3,627	5,417	8,910	6,844
Earnings before income taxes	$ 91,341	$ 80,935	$ 256,134	$ 194,153