SEGMENT INFORMATION - Operating Performance and Total Assets by Segment (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Nov. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Mar. 31, 2017
Segment Reporting Information [Line Items]
Assets	$ 2,967,157		$ 2,967,157		$ 2,967,157		$ 3,113,847
Total earnings from unconsolidated affiliates, net of losses - equity method investments			1,996	$ 766	3,394	$ 4,734
Loss on disposal of assets			(4,591)	(874)	(12,418)	(13,077)
Operating loss			(3,497)	(19,097)	(41,003)	(72,214)
Depreciation and amortization			31,682	29,768	94,119	93,054
Total investments in unconsolidated affiliates - equity method	204,829		204,829		204,829		203,876
Accelerated depreciation				1,100		9,300
Construction in progress within property and equipment	69,100		69,100		69,100		199,300
OEM Cost recoveries | Rent Expense
Segment Reporting Information [Line Items]
Offset Amount, Expense	1,100	$ 12,000	13,100		13,100
Europe Caspian
Segment Reporting Information [Line Items]
Assets	955,122		955,122		955,122		1,091,536
Total earnings from unconsolidated affiliates, net of losses - equity method investments			34	125	125	241
Total business unit operating income			5,312	(303)	19,610	18,468
Depreciation and amortization			12,771	11,185	36,789	33,594
Total investments in unconsolidated affiliates - equity method	350		350		350		257
Accelerated depreciation						400
Europe Caspian | OEM Cost recoveries | Rent Expense
Segment Reporting Information [Line Items]
Offset Amount, Expense			7,100		7,100
Africa
Segment Reporting Information [Line Items]
Assets	414,162		414,162		414,162		325,719
Total business unit operating income			10,470	10,441	28,353	19,954
Depreciation and amortization			3,664	4,007	10,330	12,680
Accelerated depreciation						5,000
Americas
Segment Reporting Information [Line Items]
Assets	857,463		857,463		857,463		809,071
Total earnings from unconsolidated affiliates, net of losses - equity method investments			2,097	831	3,712	4,954
Total business unit operating income			5,308	2,226	11,535	5,790
Depreciation and amortization			6,909	7,060	20,906	25,669
Total investments in unconsolidated affiliates - equity method	201,422		201,422		201,422		200,362
Accelerated depreciation						3,900
Asia Pacific
Segment Reporting Information [Line Items]
Assets	330,210		330,210		330,210		433,614
Total business unit operating income			(941)	(9,012)	(19,374)	(24,480)
Depreciation and amortization			4,479	4,973	15,347	13,586
Asia Pacific | OEM Cost recoveries | Rent Expense
Segment Reporting Information [Line Items]
Offset Amount, Expense			6,000		6,000
Corporate and other
Segment Reporting Information [Line Items]
Assets	410,200		410,200		410,200		453,907
Total earnings from unconsolidated affiliates, net of losses - equity method investments			(135)	(190)	(443)	(461)
Total business unit operating income			(19,055)	(21,575)	(68,709)	(78,869)
Depreciation and amortization			3,859	$ 2,543	10,747	$ 7,525
Total investments in unconsolidated affiliates - equity method	$ 3,057		$ 3,057		$ 3,057		$ 3,257