EQUITY AOCI (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Translation Adjustment Functional to Reporting Currency, Net of Tax		$ (172,263)		$ (184,256)
Accumulated Other Comprehensive Income (Loss), Net of Tax		(175,254)		(187,438)
Other Comprehensive Income (Loss), Net of Tax		12,184
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		621
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		11,785	$ 2,072
Permanent Loans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	[1]	1,531
Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax		7,151
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax		3,311
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion		191
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		11,993
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax		(2,991)		$ (3,182)
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion		731
Interest Expense [Member] | Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion		621
Interest Expense [Member] | Not Designated as Hedging Instrument [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	[2]	$ 301

[1] (1) Represents foreign exchange gains on intercompany loans that are of a long-term investment nature which are reported in the same manner as translation adjustments.

[2] (2) We expect to repay a portion of the 2019 Euro Term Loan with the expected proceeds from the Divestment Transaction (see Note 5, "Long-term Debt and Other Financing Arrangements"). This anticipated reduction of principal amounts owing in respect of the 2019 Euro Term Loan will reduce future interest payments that the interest rate swap maturing on November 1, 2019 is designed to hedge. To maintain the effectiveness of the interest rate swap, we have dedesignated a portion to align the notional amount of the instrument with the 2019 Euro Term Loan principal we expect to remain after the application of Divestment Transaction proceeds. For the dedesignated portion, all changes in fair value and those previously recognized in accumulated other comprehensive income / loss are recognized in other non-operating income, net in our condensed consolidated statements of operations and comprehensive income / loss (see Note 12, "Financial Instruments and Fair Value Measurements").