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 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Segment Reporting Information [Line Items]        
Revenue $ 304,640 $ 318,220 $ 574,833 $ 651,396
Revenue not from contracts with customers 10,395 8,380 21,180 16,748
Corporate and other        
Segment Reporting Information [Line Items]        
Revenue 191 10 297 275
Revenue not from contracts with customers 945 0 2,307 0
Europe Caspian | Reportable Geographical Components        
Segment Reporting Information [Line Items]        
Revenue 164,920 179,870 331,913 368,464
Revenue not from contracts with customers 348 318 690 622
Africa | Reportable Geographical Components        
Segment Reporting Information [Line Items]        
Revenue 23,056 47,165 54,778 96,681
Revenue not from contracts with customers 0 0 0 0
Americas | Reportable Geographical Components        
Segment Reporting Information [Line Items]        
Revenue 95,361 61,726 154,475 118,716
Revenue not from contracts with customers 9,019 7,983 18,026 15,966
Asia Pacific | Reportable Geographical Components        
Segment Reporting Information [Line Items]        
Revenue 21,112 29,449 33,370 67,260
Revenue not from contracts with customers $ 83 $ 79 $ 157 $ 160