INCOME TAXES - Components of the Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Tax provision:
Federal	$ 99,901	$ 106,009	$ 152,627
State	19,825	25,788	38,626
Foreign	40,103	35,899	39,830
Current tax provision	159,829	167,696	231,083
Deferred provision (benefit):
Federal	(28,238)	1,554	(11,969)
State	(5,749)	316	(3,176)
Foreign	(3,932)	(4,277)	(170)
Deferred tax provision (benefit)	(37,919)	(2,407)	(15,315)
Total provision	$ 121,910	$ 165,289	$ 215,768