GOODWILL AND INTANGIBLES - Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Schedule of Intangible Assets [Line Items]
Beginning Gross Carrying Amount	$ 150,120	$ 108,467
Additions	13,900	41,653
Accumulated Amortization	(57,571)	(51,850)
Impact of Foreign Currency Translation	(2,266)
Ending Intangible Assets, Net	104,183	98,270
Goodwill	34,109	27,546	$ 16,463	$ 16,463
Leaf Tobacco - North America Segment
Schedule of Intangible Assets [Line Items]
Goodwill	2,795	2,795	2,794	2,794
Leaf Tobacco - Other Regions Segment
Schedule of Intangible Assets [Line Items]
Goodwill	13,669	13,669	13,669	13,669
Other Products and Services Segment
Schedule of Intangible Assets [Line Items]
Goodwill	$ 17,645	$ 11,082	$ 0	$ 0
Customer relationships
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	9 years 9 months 7 days	10 years 10 months 6 days
Beginning Gross Carrying Amount	$ 58,530	$ 58,530
Additions	5,450	0
Accumulated Amortization	(28,021)	(25,005)
Impact of Foreign Currency Translation	0
Ending Intangible Assets, Net	$ 35,959	$ 33,525
Production and supply contracts
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	3 years 1 month 6 days	3 years 9 months 25 days
Beginning Gross Carrying Amount	$ 14,893	$ 14,893
Additions	0	0
Accumulated Amortization	(9,997)	(8,774)
Impact of Foreign Currency Translation	0
Ending Intangible Assets, Net	$ 4,896	$ 6,119
Internally developed software
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	3 years 7 months 28 days	2 years 9 months 25 days
Beginning Gross Carrying Amount	$ 18,812	$ 18,581
Additions	759	231
Accumulated Amortization	(18,229)	(17,828)
Impact of Foreign Currency Translation	0
Ending Intangible Assets, Net	$ 1,342	$ 984
Licenses
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	19 years 1 month 9 days	19 years 10 months 2 days
Beginning Gross Carrying Amount	$ 30,339	$ 0
Additions	17	30,339
Accumulated Amortization	(1,277)	(243)
Impact of Foreign Currency Translation	(1,655)
Ending Intangible Assets, Net	$ 27,424	30,096
Trade names
Schedule of Intangible Assets [Line Items]
Weighted Average Remaining Useful Life	7 years 3 months
Beginning Gross Carrying Amount	$ 0
Additions	500
Accumulated Amortization	(47)
Impact of Foreign Currency Translation	0
Ending Intangible Assets, Net	453
Goodwill
Schedule of Intangible Assets [Line Items]
Beginning Gross Carrying Amount	27,546	16,463
Additions	7,174	11,083
Impact of Foreign Currency Translation	(611)
Ending Intangible Assets, Net	$ 34,109	$ 27,546