SEGMENT REPORTING - Disaggregation of Net Sales and Revenue Recognized from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Product Segment [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	$ 485,014	$ 389,613	$ 1,005,909	$ 846,925
Professional Services Segment [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	76,344	61,900	148,073	99,179
Managed Services Segment [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	47,417	41,767	91,997	82,677
Financing Segment [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	608,775	493,280	1,245,979	1,028,781
Transferred at Point in Time [Member] | Product Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	424,761	338,655	895,848	760,539
Transferred at Point in Time [Member] | Product Segment [Member] | Sales Channel, Through Intermediary [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	60,253	50,958	110,061	86,386
Transferred at Point in Time [Member] | Professional Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	0	0	0	0
Transferred at Point in Time [Member] | Professional Services Segment [Member] | Sales Channel, Through Intermediary [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	0	0	0	0
Transferred at Point in Time [Member] | Managed Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	0	0	0	0
Transferred at Point in Time [Member] | Managed Services Segment [Member] | Sales Channel, Through Intermediary [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	0	0	0	0
Transferred at Point in Time [Member] | Financing Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	424,761	338,655	895,848	760,539
Transferred at Point in Time [Member] | Financing Segment [Member] | Sales Channel, Through Intermediary [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	60,253	50,958	110,061	86,386
Transferred over Time [Member] | Product Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	0	0	0	0
Transferred over Time [Member] | Professional Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	76,344	61,900	148,073	99,179
Transferred over Time [Member] | Managed Services Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	47,417	41,767	91,997	82,677
Transferred over Time [Member] | Financing Segment [Member] | Sales Channel, Directly to Consumer [Member]
SEGMENT REPORTING [Abstract]
Revenue from contracts with customers	$ 123,761	$ 103,667	$ 240,070	$ 181,856