SEGMENT REPORTING, Technology Segment Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Abstract]
Net sales	$ 458,359	$ 416,649
Less: Revenue from financing and other	(13,612)	(14,690)
Revenue from contracts with customers	444,747	401,959
Technology Segment [Member]
Disaggregation of Revenue [Abstract]
Net sales	448,785	400,358
Less: Revenue from financing and other	(4,983)	(3,817)
Revenue from contracts with customers	443,802	396,541
Technology Segment [Member] | Telecom, Media & Entertainment [Member]
Disaggregation of Revenue [Abstract]
Net sales	128,277	112,192
Technology Segment [Member] | Technology [Member]
Disaggregation of Revenue [Abstract]
Net sales	69,862	69,140
Technology Segment [Member] | State and Local Government and Educational Institutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	64,602	65,415
Technology Segment [Member] | Health Care [Member]
Disaggregation of Revenue [Abstract]
Net sales	68,512	54,688
Technology Segment [Member] | Financial Services [Member]
Disaggregation of Revenue [Abstract]
Net sales	33,299	30,011
Technology Segment [Member] | All Others [Member]
Disaggregation of Revenue [Abstract]
Net sales	84,233	68,912
Technology Segment [Member] | Cisco Systems [Member]
Disaggregation of Revenue [Abstract]
Net sales	156,878	166,902
Technology Segment [Member] | Dell EMC [Member]
Disaggregation of Revenue [Abstract]
Net sales	61,873	26,340
Technology Segment [Member] | Juniper Networks [Member]
Disaggregation of Revenue [Abstract]
Net sales	22,509	24,714
Technology Segment [Member] | NetApp [Member]
Disaggregation of Revenue [Abstract]
Net sales	13,985	10,457
Technology Segment [Member] | Arista Networks [Member]
Disaggregation of Revenue [Abstract]
Net sales	11,172	11,498
Technology Segment [Member] | All Others [Member]
Disaggregation of Revenue [Abstract]
Net sales	$ 182,368	$ 160,447