INCOME TAXES (Details 4)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Income Tax Provision to the Luxembourg income tax rate
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%)	(0.00%)
Uncertain taxes	1.39%	0.88%	0.00%
Other	(0.26%)	0.14%	(0.63%)
Effective tax rate	15.57%	6.91%	6.00%

Effective Income Tax Rate Reconciliation, Uncertain Taxes, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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