v3.26.1
SEGMENT REPORTING - Technology Segment Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
SEGMENT REPORTING [Abstract]      
Net sales $ 2,442,549 $ 2,000,168 $ 2,178,249
Technology Segment [Member]      
SEGMENT REPORTING [Abstract]      
Revenue from contracts with customers 2,442,173 1,999,746 2,177,620
Technology Segment [Member] | Telecom, Media & Entertainment [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 720,616 453,892 547,525
Technology Segment [Member] | Healthcare [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 314,949 286,474 278,893
Technology Segment [Member] | SLED [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 308,681 333,371 329,617
Technology Segment [Member] | Technology [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 300,783 300,465 379,720
Technology Segment [Member] | Financial Services [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 244,675 174,798 243,630
Technology Segment [Member] | Retail [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 136,415 103,185 36,113
Technology Segment [Member] | All Others [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 416,054 347,561 362,122
Product Segment [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 1,979,288 1,599,369 1,885,543
Revenue from contracts with customers 1,979,288 1,599,369 1,885,543
Product Segment [Member] | Networking [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 933,818 781,703 1,005,679
Product Segment [Member] | Cloud [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 668,471 509,774 546,341
Product Segment [Member] | Security [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 239,731 191,872 193,956
Product Segment [Member] | Collaboration [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 51,917 55,483 65,714
Product Segment [Member] | Other [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 85,351 60,537 73,853
Professional Services Segment [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 273,438 229,030 154,549
Revenue from contracts with customers 273,438 229,030 154,549
Managed Services Segment [Member]      
SEGMENT REPORTING [Abstract]      
Net sales 189,447 171,347 137,528
Revenue from contracts with customers $ 189,447 $ 171,347 $ 137,528