Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Income tax provision consisted of the following expense/(benefit) components for the years ended December 31:

in thousands	2017			2016			2015
Current:
Federal	$	106,710		$	93,538		$	76,902
State	9,446			8,121			6,567
Foreign	217			265			188
Total Current	116,373			101,924			83,657
Deferred:
Federal	(59,517		)	17,057			17,317
State	638			597			1,753
Foreign	(393		)	(158		)	193
Total Deferred	(59,272		)	17,496			19,263
Total	$	57,101		$	119,420		$	102,920

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The reconciliation between the statutory income tax rate and the effective tax rate consisted of the following for the years ended December 31:

	2017		2016		2015
Expected federal statutory income tax rate	35.0	%	35.0	%	35.0	%
Increase/(decrease):
Federal rate adjustment to deferred taxes1	(20.2	)	0.0		0.0
State and local income taxes, net of federal benefit	1.9		1.7		1.8
Other	(0.3	)	(0.4	)	0.9
Effective tax rate (excluding noncontrolling interests)	16.4		36.3		37.7
Income attributable to noncontrolling interests	(0.2	)	(1.3	)	(0.3	)
Effective tax rate per Consolidated Statements of Income	16.2	%	35.0	%	37.4	%

1 Represents the impact of revaluing the net deferred tax liability due to the enactment of the Tax Act, and includes the federal tax benefit of any state and local deferred taxes.

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The tax effects of temporary differences that gave rise to significant portions of deferred tax assets and liabilities consisted of the following at December 31:

in thousands	2017			2016
Deferred Tax Assets
Tax net operating loss carryforwards	$	48,722		$	20,839
Compensation related	7,212			12,523
Other	2,564			4,119
Total deferred tax assets	58,498			37,481
Valuation allowance	(47,955		)	(20,419		)
Total deferred tax asset, net of valuation allowance	$	10,543		$	17,062
Deferred Tax Liabilities
Intangible assets	$	119,885		$	177,846
Property and equipment	5,601			9,481
Other	1,926			6,213
Total gross deferred tax liability	$	127,412		$	193,540
Net deferred tax liability	$	116,869		$	176,478