INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

The components of income before income taxes and non-controlling interests consist of the following for the years ended December 31:

(in thousands)	2015		2014		2013
Domestic - Luxembourg	$	27,884	$	124,181	$	122,722
Foreign - U.S.	5,944		9,575		11,125
Foreign - Non-U.S.	19,232		13,509		8,486
Total	$	53,060	$	147,265	$	142,333

Schedule of income tax provision

The income tax provision consists of the following for the years ended December 31:

(in thousands)	2015			2014			2013
Current:
Domestic - Luxembourg	$	1,787		$	4,415		$	2,516
Foreign - U.S. Federal	539			75			6
Foreign - U.S. State	855			476			403
Foreign - Non-U.S.	6,405			4,046			3,600
	$	9,586		$	9,012		$	6,525
Deferred:
Foreign - U.S. Federal	$	(108	)	$	1,756		$	2,506
Foreign - U.S. State	(526		)	(281		)	84
Foreign - Non-U.S.	(692		)	(309		)	(575		)
	$	(1,326	)	$	1,166		$	2,015
Total	$	8,260		$	10,178		$	8,540

Summary of tax effects of the temporary differences

A summary of the tax effects of the temporary differences is as follows for the years ended December 31:

(in thousands)	2015			2014
Current deferred tax assets:
Allowance for doubtful accounts and other reserves	$	—		$	72
Accrued expenses	—			5,165
Current deferred tax liabilities:
Prepaid expenses	—			(250		)
Current deferred tax assets, net	$	—		$	4,987
Non-current deferred tax assets:
Net operating loss carryforwards	$	5,417		$	13,940
U.S. federal and state tax credits	2,577			1,202
Non-U.S. deferred tax assets	2,472			1,780
Share-based compensation	1,750			856
Accrued expenses	7,730			—
Non-current deferred tax liabilities:
Intangible assets	(4,508		)	(5,302		)
Depreciation	(7,446		)	(11,878		)
Other	(815		)	(177		)
	7,177			421
Valuation allowance	(3,558		)	(3,115		)
Non-current deferred tax assets, net	$	3,619		$	—
Non-current deferred tax liabilities, net	$	—		$	(2,694	)
Net deferred tax assets	$	3,619		$	2,293

Schedule of the reconciliation of income tax provision to the Luxembourg statutory income tax rate

The following table reconciles the Luxembourg statutory tax rate to our effective tax rate for the years ended December 31:

	2015		2014		2013
Statutory tax rate	29.22	%	29.22	%	29.22	%
Permanent difference related to Luxembourg intangible assets	(13.56	)	(22.60	)	(23.59	)
Change in valuation allowance	0.83		(0.05	)	0.76
State tax expense	0.29		0.03		0.24
Tax credits	(2.34	)	(0.71	)	—
Uncertain taxes	1.39		0.88		—
Other	(0.26	)	0.14		(0.63	)
Effective tax rate	15.57	%	6.91	%	6.00	%

Summary of Income Tax Contingencies

The following table reconciles the amount of unrecognized tax benefits for the years ended December 31:

(in thousands)	2015		2014
Amount of unrecognized tax benefits as of the beginning of the year	$	1,153	$	—
Increases as a result of tax positions taken in a prior period	638		1,153
Increases as a result of tax positions taken in the current period	214		—
Amount of unrecognized tax benefits as of the end of the year	$	2,005	$	1,153