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SEGMENT INFORMATION GEOGRAPHIC INFORMATION (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue from Contract with Customer, Excluding Assessed Tax $ 301,790 $ 345,905 $ 390,597 $ 410,374 $ 363,403 $ 384,719 $ 428,904 $ 425,382 $ 1,448,666 $ 1,602,408 $ 1,468,922
Long-Lived Assets 374,798       384,872       374,798 384,872 421,248
UNITED STATES                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue from Contract with Customer, Excluding Assessed Tax                 672,556 711,887 642,743
Long-Lived Assets 128,225       137,410       128,225 137,410 151,841
Europe [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue from Contract with Customer, Excluding Assessed Tax                 400,059 469,322 411,570
Long-Lived Assets 162,817       165,827       162,817 165,827 176,923
Latin America [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue from Contract with Customer, Excluding Assessed Tax                 254,375 271,374 282,692
Long-Lived Assets 50,358       52,393       50,358 52,393 62,543
Other Countries [Domain]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue from Contract with Customer, Excluding Assessed Tax                 121,676 149,825 131,917
Long-Lived Assets $ 33,398       $ 29,242       $ 33,398 $ 29,242 $ 29,941