INCOME TAXES (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Non-current deferred tax assets:
Net operating loss carryforwards	$ 349,154	$ 5,891
U.S. federal and state tax credits	407	316
Other non-U.S. deferred tax assets	5,724	3,674
Share-based compensation	1,496	2,486
Accrued expenses	6,494	11,527
Non-current deferred tax liabilities:
Intangible assets	(8,015)	(4,203)
Depreciation	(3,318)	(6,964)
Other non-U.S. deferred tax liability	(1,692)	(1,342)
Other	(260)	(626)
Deferred tax assets net of deferred tax liabilities	349,990	10,759
Valuation allowance	(46,283)	(3,467)
Deferred tax assets, net	303,707	7,292
Income Taxes
Increase in valuation allowance related to state and foreign losses	42,800
Undistributed earnings	74,200
Deferred tax liability that would be recognized if earnings were distributed	13,500
Operating loss carryforwards	1,339,600	17,300
Tax Cuts And Jobs Act of 2017, provisional income tax expense	2,900
U.S. State
Income Taxes
Operating loss carryforwards, valuation allowance	1,700	1,400
Luxembourg
Income Taxes
Operating loss carryforwards, valuation allowance	44,400	2,200
U.S. State and U.S. Federal
Non-current deferred tax assets:
Net operating loss carryforwards	400	300
NCI
Income Taxes
Operating loss carryforwards	8,900	$ 10,100
Annual limit on use of operating loss carryforward	$ 1,300