OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Goodwill Table (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Goodwill [Line Items]
Goodwill - beginning balance	$ 19,907	$ 19,798
Foreign currency translation	(1,471)	109
Goodwill - ending balance	18,436	$ 19,907
Accumulated goodwill impairment - ending balance	50,861
Europe Caspian
Goodwill [Line Items]
Accumulated goodwill impairment - ending balance	33,883
Africa
Goodwill [Line Items]
Accumulated goodwill impairment - ending balance	6,179
Americas
Goodwill [Line Items]
Accumulated goodwill impairment - ending balance	576
Corporate and other
Goodwill [Line Items]
Accumulated goodwill impairment - ending balance	$ 10,223