SEGMENT REPORTING (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) Segment	Dec. 31, 2015 USD ($)	Mar. 31, 2016 USD ($)
SEGMENT REPORTING [Abstract]
Number of business segments | Segment			2
Segment Reporting Information [Line Items]
Sales of product and services	$ 317,391	$ 287,859	$ 968,799	$ 871,814
Financing revenue	8,190	9,289	23,899	27,914
Fee and other income	1,076	1,496	3,924	5,068
Net sales	326,657	298,644	996,622	904,796
Cost of sales, product and services	251,729	231,503	769,780	700,429
Direct lease costs	1,142	3,081	3,459	9,256
Cost of sales	252,871	234,584	773,239	709,685
Professional and other fees	1,397	1,882	4,918	4,913
Salaries and benefits	42,385	37,372	124,479	108,326
General and administrative expenses	6,378	5,434	20,424	17,390
Depreciation and amortization	1,910	1,331	5,408	3,739
Interest and financing costs	409	396	1,158	1,371
Operating expenses	52,479	46,415	156,387	135,739
Operating income	21,307	17,645	66,996	59,372
Selected Financial Data - Statement of Cash Flow [Abstract]
Depreciation and amortization	2,926	4,517	8,758	13,020
Purchases of property, equipment and operating lease equipment	4,131	1,390	7,300	17,008
Selected Financial Data - Balance Sheet [Abstract]
Total assets	736,678	630,434	736,678	630,434	$ 616,680
Operating Segments [Member] | Technology [Member]
Segment Reporting Information [Line Items]
Sales of product and services	317,391	287,859	968,799	871,814
Financing revenue	0	0	0	0
Fee and other income	915	1,506	3,679	5,038
Net sales	318,306	289,365	972,478	876,852
Cost of sales, product and services	251,729	231,503	769,780	700,429
Direct lease costs	0	0	0	0
Cost of sales	251,729	231,503	769,780	700,429
Professional and other fees	1,216	1,608	4,138	4,175
Salaries and benefits	40,155	35,043	117,822	101,471
General and administrative expenses	6,409	5,203	19,335	16,653
Depreciation and amortization	1,908	1,327	5,400	3,728
Interest and financing costs	0	10	0	51
Operating expenses	49,688	43,191	146,695	126,078
Operating income	16,889	14,671	56,003	50,345
Selected Financial Data - Statement of Cash Flow [Abstract]
Depreciation and amortization	1,941	1,365	5,494	3,831
Purchases of property, equipment and operating lease equipment	849	506	2,413	1,700
Selected Financial Data - Balance Sheet [Abstract]
Total assets	546,728	401,422	546,728	401,422
Operating Segments [Member] | Financing [Member]
Segment Reporting Information [Line Items]
Sales of product and services	0	0	0	0
Financing revenue	8,190	9,289	23,899	27,914
Fee and other income	161	(10)	245	30
Net sales	8,351	9,279	24,144	27,944
Cost of sales, product and services	0	0	0	0
Direct lease costs	1,142	3,081	3,459	9,256
Cost of sales	1,142	3,081	3,459	9,256
Professional and other fees	181	274	780	738
Salaries and benefits	2,230	2,329	6,657	6,855
General and administrative expenses	(31)	231	1,089	737
Depreciation and amortization	2	4	8	11
Interest and financing costs	409	386	1,158	1,320
Operating expenses	2,791	3,224	9,692	9,661
Operating income	4,418	2,974	10,993	9,027
Selected Financial Data - Statement of Cash Flow [Abstract]
Depreciation and amortization	985	3,152	3,264	9,189
Purchases of property, equipment and operating lease equipment	3,282	884	4,887	15,308
Selected Financial Data - Balance Sheet [Abstract]
Total assets	$ 189,950	$ 229,012	$ 189,950	$ 229,012