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SEGMENT INFORMATION GEOGRAPHIC INFORMATION (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Mar. 31, 2014
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers $ 376,034 $ 370,988 $ 364,399 $ 357,501 $ 307,294 $ 306,195 $ 330,214 $ 321,794   $ 1,468,922 $ 1,265,497 $ 1,394,771
Long-lived Assets 421,248       437,201         421,248 437,201 450,020
Latin America [Member]                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 $ 236,281 282,692 248,019  
Long-lived Assets 62,543       68,187         62,543 68,187 59,671
Europe [Member]                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 369,280 411,570 354,117  
Long-lived Assets 176,923       156,505         176,923 156,505 167,829
UNITED STATES                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 702,855 642,743 558,278  
Long-lived Assets 151,841       171,587         151,841 171,587 189,993
Other Countries [Domain]                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 $ 86,355 131,917 105,083  
Long-lived Assets $ 29,941       $ 40,922         $ 29,941 $ 40,922 $ 32,527