INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Summary of Income Tax Contingencies

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

	2015			2014			2013
Unrecognized tax benefits, beginning of period	$	18,274		$	16,897		$	16,788
Additions based on tax positions related to the current year	1,520			2,002			1,572
Additions for tax positions of prior years	—			839			1,105
Reductions for tax positions of prior years	(810		)	(183		)	(1,464		)
Lapse in statute of limitations	(5,188		)	(1,281		)	(238		)
Settlements	(525		)	—			(866		)
Unrecognized tax benefits, end of the period	$	13,271		$	18,274		$	16,897

Schedule of Components of Income Tax Expense (Benefit)

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

	2015			2014			2013
Tax provision:
Federal	$	259,793		$	224,468		$	180,351
State	37,129			32,110			26,351
Foreign	33,255			20,259			25,529
	330,177			276,837			232,231
Deferred provision (benefit):
Federal	(14,559		)	(5,302		)	24,877
State	(2,074		)	(755		)	3,623
Foreign	(462		)	2,940			(3,274		)
	(17,095		)	(3,117		)	25,226
Total provision	$	313,082		$	273,720		$	257,457

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:

	2015		2014		2013
Federal statutory rate	35.0	%	35.0	%	35.0	%
State income taxes, net of federal benefit	2.8		2.8		2.9
Other	0.3		—		0.3
	38.1	%	37.8	%	38.2	%

Schedule of Deferred Tax Assets and Liabilities

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

	2015			2014
Deferred tax assets:
Compensation	$	91,729		$	78,516
Receivables	16,243			13,397
Other	9,242			8,103
Deferred tax liabilities:
Intangible assets	(133,375		)	(115,761		)
Prepaid assets	(13,418		)	(10,808		)
Long-lived assets	(18,666		)	(19,018		)
Undistributed earnings of foreign subsidiaries	—			(13,616		)
Other	(427		)	(28		)
Net deferred tax (liabilities) assets	$	(48,672	)	$	(59,215	)