SEGMENT REPORTING - Disaggregation of Net Sales and Revenue Recognized from Contracts with Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Net Sales [Abstract]
Revenue from contracts with customers	$ 1,981,034	$ 2,160,234	$ 2,001,872
Financing and other	87,755	65,068	65,846
Net sales	2,068,789	2,225,302	2,067,718
Product Segment [Member]
Net Sales [Abstract]
Revenue from contracts with customers	1,575,097	1,862,231	1,728,125
Financing and other	33,671	21,578	22,677
Net sales	1,608,768	1,883,809	1,750,802
Professional Services Segment [Member]
Net Sales [Abstract]
Revenue from contracts with customers	229,030	154,549	151,785
Financing and other	0	0	0
Net sales	229,030	154,549	151,785
Managed Services Segment [Member]
Net Sales [Abstract]
Revenue from contracts with customers	171,347	137,528	112,658
Financing and other	0	0	0
Net sales	171,347	137,528	112,658
Financing Segment [Member]
Net Sales [Abstract]
Revenue from contracts with customers	5,560	5,926	9,304
Financing and other	54,084	43,490	43,169
Net sales	59,644	49,416	52,473
Transferred at Point in Time [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	1,396,371	1,693,565	1,576,064
Transferred at Point in Time [Member] | Sales Channel, Through Intermediary [Member]
Net Sales [Abstract]
Revenue from contracts with customers	184,286	174,592	161,365
Transferred at Point in Time [Member] | Product Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	1,390,811	1,687,639	1,566,760
Transferred at Point in Time [Member] | Product Segment [Member] | Sales Channel, Through Intermediary [Member]
Net Sales [Abstract]
Revenue from contracts with customers	184,286	174,592	161,365
Transferred at Point in Time [Member] | Professional Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	0	0	0
Transferred at Point in Time [Member] | Professional Services Segment [Member] | Sales Channel, Through Intermediary [Member]
Net Sales [Abstract]
Revenue from contracts with customers	0	0	0
Transferred at Point in Time [Member] | Managed Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	0	0	0
Transferred at Point in Time [Member] | Managed Services Segment [Member] | Sales Channel, Through Intermediary [Member]
Net Sales [Abstract]
Revenue from contracts with customers	0	0	0
Transferred at Point in Time [Member] | Financing Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	5,560	5,926	9,304
Transferred at Point in Time [Member] | Financing Segment [Member] | Sales Channel, Through Intermediary [Member]
Net Sales [Abstract]
Revenue from contracts with customers	0	0	0
Transferred over Time [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	400,377	292,077	264,443
Transferred over Time [Member] | Product Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	0	0	0
Transferred over Time [Member] | Professional Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	229,030	154,549	151,785
Transferred over Time [Member] | Managed Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	171,347	137,528	112,658
Transferred over Time [Member] | Financing Segment [Member] | Sales Channel, Directly to Consumer [Member]
Net Sales [Abstract]
Revenue from contracts with customers	$ 0	$ 0	$ 0