GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 204,826	$ 142,129
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	101,637	64,975
The Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	19,052	41,036
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	40,821	20,752
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	9,074	6,452
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	15,738	1,088
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 18,504	$ 7,826