Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

The sources of income before income taxes for the years ended December 31, 2018, 2017 and 2016 are presented as follows:



	Year Ended December 31,
(in thousands)	2018		2017		2016
Income before taxes:
United States	$	35,467	$	55,117	$	41,804
Foreign	259,449		201,218		191,089
Total income before income taxes	$	294,916	$	256,335	$	232,893

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

The Company's income tax expense for the years ended December 31, 2018, 2017 and 2016 consisted of the following:



	Year Ended December 31,
(in thousands)	2018			2017			2016
Current tax expense (benefit):
U.S.	$	(8,711	)	$	29,620		$	(2,886	)
Foreign	70,244			79,475			59,515
Total current	61,533			109,095			56,629
Deferred tax expense (benefit):
U.S.	6,871			14,056			9,908
Foreign	(5,619		)	(23,756		)	(7,742		)
Total deferred	1,252			(9,700		)	2,166
Total tax expense	$	62,785		$	99,395		$	58,795

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

The following is a reconciliation of the federal statutory income tax rates of 21% for the year ended December 31, 2018 and 35% for the years ended December 31, 2017 and 2016 to the effective income tax rate for the same years:



	Year Ended December 31,
(dollar amounts in thousands)	2018			2017			2016
U.S. federal income tax expense at applicable statutory rate	$	61,932		$	89,684		$	81,513
Tax effect of:
State income tax expense (benefit) at statutory rates	1,680			968			1,341
Non-deductible expenses	3,457			5,648			3,482
Share-based compensation	(13,750		)	(4,845		)	(1		)
Other permanent differences	(6,141		)	8,458			(4,929		)
Difference between U.S. federal and foreign tax rates	9,843			(24,270		)	(18,432		)
Provision in excess of statutory rates	3,737			8,426			2,490
Change in federal and foreign valuation allowance	3,075			(30,224		)	(8,163		)
Impairment of goodwill and acquired intangibles assets	83			8,248			—
GILTI, net of tax credits	14,111			—			—
U.S. Tax Reform - transition tax and rate change	(12,262		)	41,597			—
Other	(2,980		)	(4,295		)	1,494
Total income tax expense	$	62,785		$	99,395		$	58,795
Effective tax rate	21.3		%	38.8		%	25.2		%

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

The tax effect of temporary differences and carryforwards that give rise to deferred tax assets and liabilities from continuing operations are as follows:



	As of December 31,
(in thousands)	2018			2017
Deferred tax assets:
Tax loss carryforwards	$	32,564		$	25,494
Share-based compensation	7,395			7,244
Accrued expenses	17,242			14,621
Property and equipment	16,377			14,984
Goodwill and intangible amortization	10,619			13,866
Intercompany notes	6,913			9,596
Accrued revenue	36,273			32,947
Other	11,876			9,631
Gross deferred tax assets	139,259			128,383
Valuation allowance	(21,857		)	(20,257		)
Net deferred tax assets	117,402			108,126
Deferred tax liabilities:
Intangible assets related to purchase accounting	(22,877		)	(29,361		)
Goodwill and intangible amortization	(16,115		)	(11,537		)
Accrued expenses	(28,274		)	(33,728		)
Intercompany notes	(14,034		)	(7,348		)
Accrued interest	(32,372		)	(27,449		)
Capitalized research and development	(8,299		)	(7,020		)
Property and equipment	(8,408		)	(4,717		)
Accrued revenue	(4,388		)	(5,027		)
Other	(5,841		)	(3,227		)
Total deferred tax liabilities	(140,608		)	(129,414		)
Net deferred tax liabilities	$	(23,206	)	$	(21,288	)

Summary of Operating Loss Carryforwards [Table Text Block]

December 31, 2018, the Company had foreign tax net operating loss carryforwards of $109.8 million, which will expire as follows:



(in thousands)	Gross		Tax Effected
Year ending December 31,
2019	$	1,227	$	296
2020	1,926		419
2021	5,931		1,361
2022	1,847		418
2023	3,049		699
Thereafter	58,772		14,555
Unlimited	37,069		8,486
Total	$	109,821	$	26,234

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended December 31, 2018 and 2017 is as follows:



	Year Ended December 31,
(in thousands)	2018			2017
Beginning balance	$	28,537		$	17,988
Additions based on tax positions related to the current year	4,787			8,364
Additions for tax positions of prior years	966			3,157
Reductions for tax positions of prior years	(1,705		)	—
Settlements	(807		)	(321		)
Statute of limitations expiration	(863		)	(651		)
Ending balance	$	30,915		$	28,537

Summary of Income Tax Examinations [Table Text Block]



Jurisdictions	Periods
U.S. (Federal)	2014 through 2018
Spain	2009 through 2018
Australia	2011 through 2018
U.K.	2009 through 2018
Germany	2013 through 2018