Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016			Year Ended December 31, 2015			Year Ended December 31, 2014
	(In thousands)
Current:
US federal	$	1,259		$	1,267		$	13,504
US state	310			191			270
Non US	3,266			4,789			32
	4,835			6,247			13,806
Deferred:
US federal	78			808			308
US state	295			720			43
Non US	(3,571		)	(669		)	(263		)
	(3,198		)	859			88
Total	$	1,637		$	7,106		$	13,894

Schedule of Income before Income Tax, Domestic and Foreign

Income before income taxes includes the following components:

	Year Ended December 31, 2016			Year Ended December 31, 2015		Year Ended December 31, 2014
	(In thousands)
US	$	(80	)	$	1,384	$	8,807
Non US	96,011			85,255		68,645
Total	$	95,931		$	86,639	$	77,452

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, 2016		Year Ended December 31, 2015		Year Ended December 31, 2014
Statutory US federal income tax rate	35.0	%	35.0	%	35.0	%
US state income taxes, net of federal benefit	0.4	%	1.0	%	0.3	%
Non-US tax rate differential	(22.8	)%	(2.6	)%	(4.0	)%
Tax holidays	(14.0	)%	(23.5	)%	(12.7	)%
Passive income exemption	(1.4	)%	(2.9	)%	(3.2	)%
Acquisition contingent earnout liability adjustments	(0.9	)%	(0.6	)%	(4.6	)%
Foreign enhanced R&D deductions	(0.9	)%	(1.0	)%	(1.1	)%
Nondeductible items	9.1	%	0.8	%	—	%
Effect of valuation allowance	(2.3	)%	(2.2	)%	—	%
Release of deferred tax liability on intangibles transferred	(3.5	)%	—	%	—	%
Prior year true-ups	2.8	%	3.2	%	(4.3	)%
Uncertain tax positions	0.1	%	0.1	%	12.7	%
Other	0.1	%	0.8	%	(0.2	)%
Effective income tax rate	1.7	%	8.1	%	17.9	%

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

	December 31, 2016					December 31, 2015
	Deferred					Deferred
	Assets			Liabilities		Assets			Liabilities
	(In thousands)
Depreciation and amortization	$	95		$	—				$	91
Share-based compensation	1,612					937
Accruals and prepaids	842					1,186
Bad debts	859					961
Acquired intangible assets	—			22,508					26,861
Net operating loss carryforwards	19,019					23,085
Tax credit carryforwards (primarily MAT in India)	35,514					30,835
	57,941			22,508		57,004			26,952
Valuation allowance	(3,747		)	—		(5,979		)	—
Total deferred taxes	$	54,194		$	22,508	$	51,025		$	26,952

Schedule of Deferred Tax Assets and Liabilities

Amounts recognized in the consolidated balance sheets:

	2016		2015
	(In thousands)
Non-current deferred tax assets	31,686		24,073
ASU 2013-11 reclass, described below	(341	)	(341	)
Net deferred tax assets	31,345		23,732

Summary of Operating Loss Carryforwards

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

	Year Ended December 31, 2016		Year Ended December 31, 2015
	(In thousands)
US Federal loss carryforwards	$	47,796	$	41,405
US state loss carryforwards	15,535		24,168
Foreign loss carryforwards	25,849		38,152
US Federal credit carryforwards	1,235		1,369
Foreign credit carryforwards	34,278		29,462

Schedule of Unrecognized Tax Benefits Roll Forward

	December 31, 2016		December 31, 2015			December 31, 2014
	(in thousands)
Beginning Balance	$	3,115	$	3,020		$	12,742
Additions for tax positions related to current year	43		41			451
Additions for tax positions of prior years	107		131			9,348
Reductions for tax position of prior years	—		(77		)	(19,521		)
Ending Balance	$	3,265	$	3,115		$	3,020