Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The income tax expense (benefit) consists of the following:

	Year Ended December 31, 2018			Year Ended December 31, 2017			Year Ended December 31, 2016
	(In thousands)
Current:
US federal	$	22,353		$	2,390		$	1,259
US state	847			1,153			310
Non US	15,212			8,266			3,266
	38,412			11,809			4,835
Deferred:
US federal	5,617			(5,558		)	78
US state	(1,031		)	(976		)	295
Non US	(10,497		)	(4,498		)	(3,571		)
	(5,911		)	(11,032		)	(3,198		)
Total	$	32,501		$	777		$	1,637

Schedule of Income before Income Tax, Domestic and Foreign

Income (loss) before income taxes includes the following components:

	Year Ended December 31, 2018			Year Ended December 31, 2017			Year Ended December 31, 2016
	(In thousands)
US	$	(36,202	)	$	(13,355	)	$	(80	)
Non US	161,783			116,715			96,011
Total	$	125,581		$	103,360		$	95,931

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the statutory federal income tax rate to the effective income tax rate consists of the following:

	Year Ended December 31, 2018		Year Ended December 31, 2017		Year Ended December 31, 2016
Statutory US federal income tax rate	21.0	%	34.0	%	35.0	%
US state income taxes, net of federal benefit	(0.3	)%	(0.8	)%	0.4	%
Non-US tax rate differential	(15.2	)%	(28.7	)%	(22.8	)%
GILTI Related	15.1	%	—	%	—	%
SubPart F	0.7	%	—	%	—	%
Tax holidays	(3.4	)%	(3.5	)%	(14.0	)%
Tax Credits	(10.6	)%	(1.4	)%	—	%
Passive income exemption	(0.9	)%	(2.1	)%	(1.4	)%
Acquisition contingent earnout liability adjustments	(0.2	)%	—	%	(0.9	)%
Foreign enhanced R&D deductions	—	%	—	%	(0.9	)%
Nondeductible items	(0.1	)%	2.5	%	9.1	%
Effect of valuation allowance	(0.1	)%	(3.6	)%	(2.3	)%
Release of deferred tax liability on intangibles transferred	—	%	—	%	(3.5	)%
Prior year Transition Tax and related true-ups	19.5	%	1.1	%	2.8	%
Uncertain tax positions	0.1	%	5.8	%	0.1	%
Rate change on deferred taxes primarily due to tax reform	—	%	(2.4	)%	—	%
Other	0.1	%	(0.1	)%	0.1	%
Effective income tax rate	25.9	%	0.8	%	1.7	%

Deferred Income Tax, Temporary Differences Between Amounts of Assets and Liabilities

Deferred tax assets and liabilities are comprised of the following:

	December 31, 2018					December 31, 2017
	Deferred					Deferred
	Assets			Liabilities		Assets			Liabilities
	(In thousands)
Depreciation and amortization	$	—		$	2,315	$	683		$	—
Share-based compensation	521					590
Accruals and prepaids	8,143					2,700
Bad debts	3,215					1,076
Acquired intangible assets	—			17,800		—			19,421
Net operating loss carryforwards	19,958					15,233
Tax credit carryforwards (primarily Minimum Alternative Tax ("MAT") in India)	43,656					43,044
	75,493			20,115		63,326			19,421
Valuation allowance	(2,031		)	—		(35		)	—
Total deferred taxes	$	73,462		$	20,115	$	63,291		$	19,421

Schedule of Deferred Tax Assets and Liabilities

Amounts recognized in the consolidated balance sheets:

	2018	2017
	(In thousands)
Non-current deferred tax assets	54,629	43,870
ASU 2013-11 reclass, described below	—	(341	)
Net deferred tax assets	54,629	43,529
Non-current deferred tax liabilities	1,282	—

Summary of Operating Loss Carryforwards

We have US Federal, state and foreign operating losses and credit carryforwards as follows:

	Year Ended December 31, 2018		Year Ended December 31, 2017
	(In thousands)
US Federal loss carryforwards	$	43,116	$	42,981
US state loss carryforwards	38,307		25,186
Foreign loss carryforwards	40,349		29,852
US Federal credit carryforwards	901		4,679
Foreign credit carryforwards	42,755		38,364

Schedule of Unrecognized Tax Benefits Roll Forward

The following table summarizes the activity related to our unrecognized tax benefits:

	December 31, 2018		December 31, 2017		December 31, 2016
	(in thousands)
Beginning Balance	$	9,144	$	3,265	$	3,115
Additions for tax positions related to current year	150		—		43
Additions for tax positions of prior years	—		5,879		107
Reductions for tax position of prior years	—		—		—
Ending Balance	$	9,294	$	9,144	$	3,265