OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Goodwill Table (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Goodwill [Line Items]
Goodwill - beginning balance	$ 19,798	$ 29,990
Foreign currency translation	109	(1,486)
Goodwill - ending balance	19,907	19,798	$ 29,990
Accumulated goodwill impairment - beginning balance	50,861	42,155
Impairments	0	(8,706)	(41,579)
Accumulated goodwill impairment - ending balance	50,861	50,861	42,155
Europe Caspian
Goodwill [Line Items]
Goodwill - beginning balance	0	10,026
Foreign currency translation	0	(1,320)
Goodwill - ending balance	0	0	10,026
Accumulated goodwill impairment - beginning balance	33,883	25,177
Impairments	0	(8,706)
Accumulated goodwill impairment - ending balance	33,883	33,883	25,177
Asia Pacific
Goodwill [Line Items]
Goodwill - beginning balance	19,798	19,964
Foreign currency translation	109	(166)
Goodwill - ending balance	19,907	19,798	19,964
Impairments		0
Africa
Goodwill [Line Items]
Accumulated goodwill impairment - beginning balance	6,179	6,179
Impairments	0	0	(6,200)
Accumulated goodwill impairment - ending balance	6,179	6,179	6,179
Corporate and other
Goodwill [Line Items]
Accumulated goodwill impairment - beginning balance	10,223	10,223
Impairments	0	0
Accumulated goodwill impairment - ending balance	10,223	10,223	10,223
Americas
Goodwill [Line Items]
Accumulated goodwill impairment - beginning balance	576	576
Impairments	0	0
Accumulated goodwill impairment - ending balance	$ 576	$ 576	$ 576