TAXES Tax Jurisdiction (Details)	12 Months Ended
	Mar. 31, 2019
United States
Income Tax Contingency [Line Items]
Open Tax Year	2017
U.K.
Income Tax Contingency [Line Items]
Open Tax Year	2017
Guyana
Income Tax Contingency [Line Items]
Open Tax Year	2013
Nigeria
Income Tax Contingency [Line Items]
Open Tax Year	2009
Trinidad
Income Tax Contingency [Line Items]
Open Tax Year	2007
Australia
Income Tax Contingency [Line Items]
Open Tax Year	2015
Norway
Income Tax Contingency [Line Items]
Open Tax Year	2012