Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income Before Income Taxes

Income before income taxes from continuing operations consisted of the following: 

	Year ended December 31,
	2018			2017			2016
Domestic	$	1,083,578		$	1,725,822		$	1,278,754
International	(35,100		)	(326,036		)	344,351
	$	1,048,478		$	1,399,786		$	1,623,105

Components of Income Tax Expense (Benefit)

Income tax expense for continuing operations consisted of the following:

	Year ended December 31,
	2018		2017			2016
Current:
Federal	$	140,064	$	330,191		$	322,940
State	32,990		47,228			44,525
International	7,557		3,422			1,928
Total current income tax	180,611		380,841			369,393
Deferred:
Federal	52,034		(98,760		)	88,412
State	21,096		37,347			(28,530		)
International	4,659		4,431			2,486
Total deferred income tax	77,789		(56,982		)	62,368
	$	258,400	$	323,859		$	431,761

Schedule of Allocation of Income Tax Expense (Benefit)

Income taxes are allocated between continuing and discontinued operations as follows:

	Year ended December 31,
	2018		2017			2016
Continuing operations	$	258,400	$	323,859		$	431,761
Discontinued operations	99,768		(364,856		)	24,052
	$	358,168	$	(40,997	)	$	455,813

Reconciliation between U.S. Federal Income Tax Rate and Effective Tax Rate

The reconciliation between the Company’s effective tax rate from continuing operations and the U.S. federal income tax rate is as follows:

	Year ended December 31,
	2018		2017		2016
Federal income tax rate	21.0	%	35.0	%	35.0	%
State income taxes, net of federal benefit	4.1		3.7		2.6
Gain on APAC JV ownership changes	—		(0.2	)	(9.9	)
Political advocacy costs	2.3		—		—
APAC investment impairment	—		6.4		—
Impact of 2017 Tax Act	(0.1	)	(20.5	)	—
Other	1.9		2.0		1.8
Impact of noncontrolling interests primarily attributable to non-tax paying entities	(4.6	)	(3.3	)	(2.9	)
Effective tax rate	24.6	%	23.1	%	26.6	%

Deferred Tax Assets and Liabilities Arising from Temporary Differences

Deferred tax assets and liabilities arising from temporary differences for continuing operations were as follows:

	December 31,
	2018			2017
Receivables	$	19,327		$	19,705
Accrued liabilities	106,506			96,537
Net operating loss carryforwards	117,511			108,429
Other	36,712			37,794
Deferred tax assets	280,056			262,465
Valuation allowance	(70,474		)	(61,282		)
Net deferred tax assets	209,582			201,183
Intangible assets	(555,822		)	(501,763		)
Property and equipment	(118,008		)	(100,376		)
Investments in partnerships	(67,354		)	(61,529		)
Other	(30,934		)	(23,762		)
Deferred tax liabilities	(772,118		)	(687,430		)
Net deferred tax liabilities	$	(562,536	)	$	(486,247	)

Reconciliation of the Beginning and Ending Liability for Unrecognized Tax Benefits that Do Not Meet the More-Likely-Than-Not Threshold

A reconciliation of the beginning and ending liability for unrecognized tax benefits that do not meet the more-likely-than-not threshold is as follows:

	Year ended December 31,
	2018			2017
Beginning balance	$	32,776		$	24,066
Additions for tax positions related to current year	6,111			7,606
Additions for tax positions related to prior years	4,134			804
Reductions related to lapse of applicable statute	(338		)	(1,380		)
Impact of 2017 Tax Act	—			3,731
Reductions related to settlements with taxing authorities	(2,301		)	(2,051		)
Ending balance	$	40,382		$	32,776