SEGMENT REPORTING - Segment Reporting Information, by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
SEGMENT REPORTING [Abstract]
Net Sales	$ 637,315	$ 535,652
Cost of sales	489,099	408,778
Gross Profit	148,216	126,874
Operating Segments [Member]
SEGMENT REPORTING [Abstract]
Net Sales	637,204	535,501
Cost of sales	489,035	408,707
Gross Profit	148,169	126,794
Product Segment [Member]
SEGMENT REPORTING [Abstract]
Net Sales	520,895	457,312
Product Segment [Member] | Operating Segments [Member]
SEGMENT REPORTING [Abstract]
Net Sales	520,895	457,312
Cost of sales	414,413	358,807
Gross Profit	106,482	98,505
Professional Services Segment [Member]
SEGMENT REPORTING [Abstract]
Net Sales	71,729	37,279
Professional Services Segment [Member] | Operating Segments [Member]
SEGMENT REPORTING [Abstract]
Net Sales	71,729	37,279
Cost of sales	43,576	21,824
Gross Profit	28,153	15,455
Managed Services Segment [Member]
SEGMENT REPORTING [Abstract]
Net Sales	44,580	40,910
Managed Services Segment [Member] | Operating Segments [Member]
SEGMENT REPORTING [Abstract]
Net Sales	44,580	40,910
Cost of sales	31,046	28,076
Gross Profit	13,534	12,834
Other [Member] | Operating Segments [Member]
SEGMENT REPORTING [Abstract]
Net Sales	111	151
Cost of sales	64	71
Gross Profit	$ 47	$ 80