OTHER LIABILITIES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018		Mar. 31, 2017	Dec. 31, 2017
Current:
Deferred revenue	$ 29,685			$ 5,675
Legal provisions	3,066			2,907
Other	571			698
Total other current liabilities	33,322			9,280
Non-current:
Deferred tax	20,989			20,569
Related party commitment fee payable (1)	10,765	[1]		10,765
Related party Guarantee Fee payable (Note 5)	58,855			58,855
Other	6,933			5,065
Total other non-current liabilities	97,542			$ 95,254
Deferred Revenue, Revenue Recognized	$ 2,500		$ 2,500
2015 Convertible Notes [Member]
Non-current:
Accounts Payable, Interest-bearing, Interest Rate	8.50%
2015 Convertible Notes [Member]
Non-current:
Debt Instrument, Interest Rate, Stated Percentage				5.00%

[1] (1) Represents the commitment fee ("Commitment Fee") payable to Time Warner, including accrued interest, in respect of its obligation under a commitment letter dated November 14, 2014 between Time Warner and us whereby Time Warner agreed to provide or assist with arranging a loan facility to repay our 5.0% senior convertible notes at maturity in November 2015. The Commitment Fee is payable by November 1, 2019, the maturity date of the 2019 Euro Term Loan, or earlier if the repayment of the 2019 Euro Term Loan is accelerated. The Commitment Fee bears interest at 8.5% per annum and such interest is payable in arrears on each May 1 and November 1, and may be paid in cash or in kind, at our election.