GOODWILL AND OTHER INTANGIBLE ASSETS, Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2019
Other Intangible Assets [Abstract]
Intangibles assets, Gross carrying amount	$ 73,334		$ 73,334		$ 67,595
Intangibles Assets, Accumulated amortization / Impairment Loss	(36,464)		(36,464)		(28,667)
Intangible assets, Net Carrying Amount	36,870		36,870		38,928
Total amortization expense for other intangible assets	2,600	$ 1,700	7,500	$ 5,300
ABS Technology [Member]
Other Intangible Assets [Abstract]
Intangible assets acquired			5,700
Customer Relationships and Other Intangibles [Member]
Other Intangible Assets [Abstract]
Intangibles assets, Gross carrying amount	63,141		63,141		57,407
Intangibles Assets, Accumulated amortization / Impairment Loss	(30,836)		(30,836)		(23,865)
Intangible assets, Net Carrying Amount	32,305		$ 32,305		33,542
Customer Relationships and Other Intangibles [Member] | Minimum [Member]
Other Intangible Assets [Abstract]
Estimated useful life			5 years
Customer Relationships and Other Intangibles [Member] | Maximum [Member]
Other Intangible Assets [Abstract]
Estimated useful life			10 years
Capitalized Software Development [Member]
Other Intangible Assets [Abstract]
Intangibles assets, Gross carrying amount	10,193		$ 10,193		10,188
Intangibles Assets, Accumulated amortization / Impairment Loss	(5,628)		(5,628)		(4,802)
Intangible assets, Net Carrying Amount	$ 4,565		$ 4,565		$ 5,386
Estimated useful life			5 years