SEGMENT REPORTING, Technology Segment Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Abstract]
Net sales	$ 574,175	$ 458,359
Less: Revenue from financing and other	(14,823)	(13,612)
Revenue from contracts with customers	559,352	444,747
Product [Member]
Disaggregation of Revenue [Abstract]
Net sales	506,656	395,250
Technology Segment [Member]
Disaggregation of Revenue [Abstract]
Net sales	565,685	448,785
Less: Revenue from financing and other	(7,623)	(4,983)
Revenue from contracts with customers	558,062	443,802
Technology Segment [Member] | Telecom, Media & Entertainment [Member]
Disaggregation of Revenue [Abstract]
Net sales	141,335	128,277
Technology Segment [Member] | SLED [Member]
Disaggregation of Revenue [Abstract]
Net sales	109,405	64,602
Technology Segment [Member] | Health Care [Member]
Disaggregation of Revenue [Abstract]
Net sales	86,656	68,512
Technology Segment [Member] | Technology [Member]
Disaggregation of Revenue [Abstract]
Net sales	73,403	69,862
Technology Segment [Member] | Financial Services [Member]
Disaggregation of Revenue [Abstract]
Net sales	65,690	33,299
Technology Segment [Member] | All Others [Member]
Disaggregation of Revenue [Abstract]
Net sales	89,196	84,233
Product Segment [Member]
Disaggregation of Revenue [Abstract]
Net sales	498,166	385,676
Less: Revenue from financing and other	(7,623)	(4,983)
Revenue from contracts with customers	490,543	380,693
Product Segment [Member] | Networking [Member]
Disaggregation of Revenue [Abstract]
Net sales	245,188	142,641
Product Segment [Member] | Cloud [Member]
Disaggregation of Revenue [Abstract]
Net sales	172,044	164,733
Product Segment [Member] | Security [Member]
Disaggregation of Revenue [Abstract]
Net sales	45,796	47,995
Product Segment [Member] | Collaboration [Member]
Disaggregation of Revenue [Abstract]
Net sales	12,956	12,980
Product Segment [Member] | Other [Member]
Disaggregation of Revenue [Abstract]
Net sales	22,182	17,327
Professional Services Segment [Member]
Disaggregation of Revenue [Abstract]
Net sales	35,556	37,168
Less: Revenue from financing and other	0	0
Revenue from contracts with customers	35,556	37,168
Managed Services Segment [Member]
Disaggregation of Revenue [Abstract]
Net sales	31,963	25,941
Less: Revenue from financing and other	0	0
Revenue from contracts with customers	$ 31,963	$ 25,941