ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Cash and Cash Equivalents, Concentrations of Risk, Financial Instruments, Financing Receivables and Operating Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
CASH AND CASH EQUIVALENTS [Abstract]
Amounts held in trust for third party recipients	$ 0.0	$ 0.0
Minimum [Member]
FINANCING RECEIVABLES AND OPERATING LEASES [Abstract]
Estimated useful life	3 years
Maximum [Member]
FINANCING RECEIVABLES AND OPERATING LEASES [Abstract]
Estimated useful life	7 years
Information Technology Equipment [Member]
FINANCING RECEIVABLES AND OPERATING LEASES [Abstract]
Estimated useful life	4 years
Carrying Amount [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes receivable	$ 108.2	109.2
Carrying Amount [Member] | Recourse [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes payable		6.0
Carrying Amount [Member] | Non-recourse [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes payable	36.2	34.3
Fair Value [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes receivable	106.3	109.5
Fair Value [Member] | Recourse [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes payable		6.0
Fair Value [Member] | Non-recourse [Member]
FINANCIAL INSTRUMENTS [Abstract]
Notes payable	$ 36.1	$ 34.5
Accounts Receivable-Trade [Member] | Customer Concentration Risk [Member] | Verizon Communications Inc. [Member] | Technology Segment [Member]
Concentrations of Risk [Abstract]
Percentage of concentration risk	17.00%	13.00%
Net Sales [Member] | Customer Concentration Risk [Member] | Verizon Communications Inc. [Member] | Technology Segment [Member]
Concentrations of Risk [Abstract]
Percentage of concentration risk	19.00%	22.00%	24.00%
Net Sales [Member] | Product Concentration Risk [Member] | Cisco Systems [Member] | Technology Segment [Member]
Concentrations of Risk [Abstract]
Percentage of concentration risk	44.00%	40.00%	39.00%