INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income before Provision for Income Taxes

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

	2018		2017		2016
Domestic	$	738,927	$	638,718	$	710,931
Foreign	141,346		89,745		101,019
Total	$	880,273	$	728,463	$	811,950

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):

	2018			2017			2016
Unrecognized tax benefits, beginning of period	$	31,806		$	12,268		$	13,271
Additions based on tax positions related to the current year	—			4,014			—
Additions for tax positions of prior years	1,662			16,713			55
Reductions for tax positions of prior years	(263		)	—			(211		)
Lapse in statute of limitations	(1,394		)	(1,189		)	(847		)
Settlements	(296		)	—			—
Unrecognized tax benefits, end of the period	$	31,515		$	31,806		$	12,268

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):

	2018			2017			2016
Tax provision:
Federal	$	152,627		$	189,708		$	222,685
State	38,626			29,320			31,786
Foreign	39,830			32,638			29,086
	231,083			251,666			283,557
Deferred provision (benefit):
Federal	(11,969		)	(21,389		)	13,936
State	(3,176		)	(3,048		)	1,986
Foreign	(170		)	(3,659		)	(913		)
	(15,315		)	(28,096		)	15,009
Total provision	$	215,768		$	223,570		$	298,566

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:

	2018		2017		2016
Federal statutory rate	21.0	%	35.0	%	35.0	%
State income taxes, net of federal benefit	3.3		2.6		2.7
Tax Act impact	0.4		(1.7	)	—
Section 199 deduction	—		(2.8	)	—
Share-based payment awards	(0.7	)	(1.9	)	—
Other	0.5		(0.5	)	(0.9	)
Effective income tax rate	24.5	%	30.7	%	36.8	%

Schedule of Deferred Tax Assets and Liabilities

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

	2018			2017
Deferred tax assets:
Compensation	$	57,666		$	52,538
Accrued expenses	27,683			3,155
Receivables	8,093			8,819
Other	6,004			4,737
Deferred tax liabilities:
Intangible assets	(77,059		)	(81,932		)
Accrued revenue	(19,571		)	—
Prepaid assets	(5,798		)	(8,247		)
Long-lived assets	(15,615		)	(15,465		)
Other	(7,167		)	(2,090		)
Net deferred tax liabilities	$	(25,764	)	$	(38,485	)