Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION - Revenue by Segment (Details)

v3.20.2
SEGMENT INFORMATION - Revenue by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Segment Reporting Information [Line Items]    
Revenue $ 270,193 $ 333,176
Corporate and other    
Segment Reporting Information [Line Items]    
Revenue 106 265
Geography Eliminations    
Segment Reporting Information [Line Items]    
Revenue (344) (2,521)
Europe Caspian | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 166,995 189,638
Africa | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 31,722 49,638
Americas | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 59,456 58,301
Asia Pacific | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 12,258 37,855
External Customer    
Segment Reporting Information [Line Items]    
Revenue 270,193 333,176
Revenue Not from Contract with Customer 10,788 8,368
External Customer | Corporate and other    
Segment Reporting Information [Line Items]    
Revenue 106 265
Revenue Not from Contract with Customer 1,361 0
External Customer | Europe Caspian | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 166,993 188,594
Revenue Not from Contract with Customer 342 304
External Customer | Africa | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 31,722 49,516
Revenue Not from Contract with Customer 0 0
External Customer | Americas | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 59,114 56,990
Revenue Not from Contract with Customer 9,011 7,983
External Customer | Asia Pacific | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 12,258 37,811
Revenue Not from Contract with Customer 74 81
Intra-Region    
Segment Reporting Information [Line Items]    
Revenue 344 2,521
Intra-Region | Corporate and other    
Segment Reporting Information [Line Items]    
Revenue 0 0
Intra-Region | Europe Caspian | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 2 1,044
Intra-Region | Africa | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 0 122
Intra-Region | Americas | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue 342 1,311
Intra-Region | Asia Pacific | Reportable Geographical Components    
Segment Reporting Information [Line Items]    
Revenue $ 0 $ 44