SEGMENT REPORTING, Technology Segment Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Abstract]
Net sales	$ 493,706	$ 458,017	$ 952,065	$ 874,666
Less: Revenue from financing and other	(19,811)	(25,902)	(33,423)	(40,592)
Revenue from contracts with customers	473,895	432,115	918,642	834,074
Technology Segment [Member]
Disaggregation of Revenue [Abstract]
Net sales	471,478	436,301	920,263	836,659
Less: Revenue from financing and other	(4,506)	(5,962)	(9,489)	(9,779)
Revenue from contracts with customers	466,972	430,339	910,774	826,880
Technology Segment [Member] | Telecom, Media & Entertainment [Member]
Disaggregation of Revenue [Abstract]
Net sales	118,454	115,784	246,731	227,976
Technology Segment [Member] | Technology [Member]
Disaggregation of Revenue [Abstract]
Net sales	96,160	53,752	166,021	122,892
Technology Segment [Member] | Health Care [Member]
Disaggregation of Revenue [Abstract]
Net sales	66,959	88,237	135,471	142,925
Technology Segment [Member] | State and Local Government and Educational Institutions [Member]
Disaggregation of Revenue [Abstract]
Net sales	70,491	68,662	135,092	134,077
Technology Segment [Member] | Financial Services [Member]
Disaggregation of Revenue [Abstract]
Net sales	37,611	37,036	70,910	67,047
Technology Segment [Member] | All Others [Member]
Disaggregation of Revenue [Abstract]
Net sales	81,803	72,830	166,038	141,742
Technology Segment [Member] | Cisco Systems [Member]
Disaggregation of Revenue [Abstract]
Net sales	185,318	174,072	342,196	340,974
Technology Segment [Member] | Juniper Networks [Member]
Disaggregation of Revenue [Abstract]
Net sales	39,580	18,438	62,089	43,152
Technology Segment [Member] | HPE [Member]
Disaggregation of Revenue [Abstract]
Net sales	32,330	8,965	39,129	21,301
Technology Segment [Member] | NetApp [Member]
Disaggregation of Revenue [Abstract]
Net sales	16,710	29,536	30,695	39,993
Technology Segment [Member] | Dell EMC [Member]
Disaggregation of Revenue [Abstract]
Net sales	15,221	43,498	77,094	69,838
Technology Segment [Member] | Arista Networks [Member]
Disaggregation of Revenue [Abstract]
Net sales	8,933	8,047	20,105	19,545
Technology Segment [Member] | All Others [Member]
Disaggregation of Revenue [Abstract]
Net sales	$ 173,386	$ 153,745	$ 348,955	$ 301,856