GOODWILL AND OTHER INTANGIBLE ASSETS (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2018 USD ($) Unit	Jun. 30, 2017 USD ($)	Mar. 31, 2018 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 85,297
Goodwill, Accumulated Amortization / Impairment Loss, Beginning Balance	(8,673)
Goodwill, Net Carrying Amount, Beginning Balance	76,624
Foreign currency translations	(140)
Goodwill, Ending Balance	85,157
Goodwill, Accumulated Amortization / Impairment Loss, Ending Balance	(8,673)
Goodwill, Net Carrying Amount, Ending Balance	$ 76,484
Number of reporting units | Unit	1
Other Intangible Assets [Abstract]
Intangibles assets, Gross carrying amount	$ 47,195		$ 47,503
Intangibles Assets, Accumulated amortization / Impairment Loss	(22,521)		(21,201)
Intangible assets, Net Carrying Amount	24,674		26,302
Total amortization expense for other intangible assets	1,800	$ 1,100
Customer Relationships and Other Intangibles [Member]
Other Intangible Assets [Abstract]
Intangibles assets, Gross carrying amount	41,839		41,895
Intangibles Assets, Accumulated amortization / Impairment Loss	(20,324)		(18,634)
Intangible assets, Net Carrying Amount	$ 21,515		23,261
Customer Relationships [Member] | Minimum [Member]
Other Intangible Assets [Abstract]
Estimated useful life	3 years
Customer Relationships [Member] | Maximum [Member]
Other Intangible Assets [Abstract]
Estimated useful life	8 years
Capitalized Software Development [Member]
Other Intangible Assets [Abstract]
Intangibles assets, Gross carrying amount	$ 5,356		5,608
Intangibles Assets, Accumulated amortization / Impairment Loss	(2,197)		(2,567)
Intangible assets, Net Carrying Amount	$ 3,159		$ 3,041
Capitalized Software Development [Member] | Minimum [Member]
Other Intangible Assets [Abstract]
Estimated useful life	3 years
Capitalized Software Development [Member] | Maximum [Member]
Other Intangible Assets [Abstract]
Estimated useful life	8 years
Trade Names and Trademarks [Member]
Other Intangible Assets [Abstract]
Estimated useful life	10 years