SEGMENT REPORTING - Technology Segment Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
SEGMENT REPORTING [Abstract]
Net sales	$ 649,113	$ 642,775
Technology Segment [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	648,986	642,664
Technology Segment [Member] \| Telecom, Media & Entertainment [Member]
SEGMENT REPORTING [Abstract]
Net sales	138,697	184,979
Technology Segment [Member] \| Technology [Member]
SEGMENT REPORTING [Abstract]
Net sales	117,999	82,747
Technology Segment [Member] \| SLED [Member]
SEGMENT REPORTING [Abstract]
Net sales	79,856	90,562
Technology Segment [Member] \| Healthcare [Member]
SEGMENT REPORTING [Abstract]
Net sales	79,197	74,291
Technology Segment [Member] \| Financial Services [Member]
SEGMENT REPORTING [Abstract]
Net sales	73,386	47,500
Technology Segment [Member] \| Retail [Member]
SEGMENT REPORTING [Abstract]
Net sales	34,923	31,971
Technology Segment [Member] \| All Others [Member]
SEGMENT REPORTING [Abstract]
Net sales	124,928	130,614
Product Segment [Member]
SEGMENT REPORTING [Abstract]
Net sales	529,603	526,355
Revenue from contracts with customers	529,603	526,355
Product Segment [Member] \| Networking [Member]
SEGMENT REPORTING [Abstract]
Net sales	223,721	218,202
Product Segment [Member] \| Cloud [Member]
SEGMENT REPORTING [Abstract]
Net sales	180,748	206,996
Product Segment [Member] \| Security [Member]
SEGMENT REPORTING [Abstract]
Net sales	78,265	61,107
Product Segment [Member] \| Collaboration [Member]
SEGMENT REPORTING [Abstract]
Net sales	15,492	11,757
Product Segment [Member] \| Other [Member]
SEGMENT REPORTING [Abstract]
Net sales	31,377	28,293
Professional Services Segment [Member]
SEGMENT REPORTING [Abstract]
Net sales	68,081	71,729
Revenue from contracts with customers	68,081	71,729
Managed Services Segment [Member]
SEGMENT REPORTING [Abstract]
Net sales	51,302	44,580
Revenue from contracts with customers	$ 51,302	$ 44,580