INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Income before Provision for Income Taxes

Income before provision for income taxes consisted of (in thousands):

	2020		2019		2018
Domestic	$	499,384	$	649,742	$	738,927
Foreign	128,947		92,515		141,346
Total	$	628,331	$	742,257	$	880,273

Summary of Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding interest and penalties, is as follows (in thousands): 

	2020		2019		2018
Unrecognized tax benefits, beginning of period	$	33,938	$	31,515	$	31,806
Additions based on tax positions related to the current year	3,172		2,212		—
Additions for tax positions of prior years	1,568		2,148		1,662
Reductions for tax positions of prior years	(124)		—		(263)
Lapse in statute of limitations	(2,276)		(1,703)		(1,394)
Settlements	(62)		(234)		(296)
Unrecognized tax benefits, end of the period	$	36,216	$	33,938	$	31,515

Schedule of Components of Provision for Income Taxes

The components of the provision for income taxes consist of the following for the years ended December 31 (in thousands): 

	2020		2019		2018
Tax provision:
Federal	$	99,901	$	106,009	$	152,627
State	19,825		25,788		38,626
Foreign	40,103		35,899		39,830
	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)
	(37,919)		(2,407)		(15,315)
Total provision	$	121,910	$	165,289	$	215,768

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the provision for income taxes using the statutory federal income tax rate to our effective income tax rate for the years ended December 31, is as follows:  

	2020		2019		2018
Federal statutory rate	21.0	%	21.0	%	21.0	%
State income taxes, net of federal benefit	2.5		2.8		3.3
Tax Act impact	—		—		0.4
Share-based payment awards	(2.8)		(0.9)		(0.7)
Excess foreign tax credits	(2.2)		(1.5)		—
Foreign	1.3		1.7		0.6
Other	(0.4)		(0.8)		(0.1)
Effective income tax rate	19.4	%	22.3	%	24.5	%

Schedule of Deferred Tax Assets and Liabilities

Deferred tax assets (liabilities) are comprised of the following at December 31 (in thousands): 

	2020		2019
Deferred tax assets:
Lease liabilities	$	82,982	$	77,879
Compensation	60,160		54,226
Accrued expenses	39,987		23,179
Receivables	7,810		5,086
Tax credit carryforward	10,464		—
Other	8,574		7,417
Deferred tax liabilities:
Right-of-use assets	(77,513)		(75,352)
Intangible assets	(81,210)		(73,166)
Accrued revenue	(18,978)		(14,893)
Prepaid assets	(5,732)		(4,660)
Long-lived assets	(12,722)		(15,134)
Foreign withholding tax	(10,222)		(9,259)
Other	(7,142)		(1,614)
Net deferred tax liabilities	$	(3,542)	$	(26,291)