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SEGMENT INFORMATION GEOGRAPHIC INFORMATION (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers $ 383,277 $ 449,579 $ 523,731 $ 538,940 $ 494,407 $ 497,510 $ 593,291 $ 578,387 $ 1,820,678 $ 1,895,527 $ 2,163,595 $ 1,820,678
Long-lived Assets 680,882       593,285         527,414 680,882 593,285
UNITED STATES                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 1,356,264 904,097 1,159,061  
Long-lived Assets 266,413       262,064         223,797 266,413 262,064
BRAZIL                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 328,005 352,342 397,426  
Long-lived Assets 101,282       112,480         80,414 101,282 112,480
Other Countries [Domain]                        
Revenues from External Customers and Long-Lived Assets [Line Items]                        
Revenues from external customers                 $ 136,409 639,088 607,108  
Long-lived Assets $ 313,187       $ 218,741         $ 223,203 $ 313,187 $ 218,741