ALLOWANCE FOR CREDIT LOSSES, Amortized Cost Basis (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2023		Mar. 31, 2023
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	$ 132,781	[1]	$ 130,373	[2]
2023/2022	43,495	[1]	21,325	[2]
2022/2021	9,892	[1]	14,166	[2]
2021/2020	4,950	[1]	1,085	[2]
2020/2019	255	[1]	145	[2]
2019/2018 and prior	24	[1]	10	[2]
Total	191,397	[1]	167,104	[2]
Transfers	(48,177)	[1],[3]	(32,578)	[2],[4]
Net credit exposure	143,220	[1]	134,526
Unguaranteed residual value	$ 4,009		4,222
Minimum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Loss rate on credit quality rating	8.00%
Maximum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Loss rate on credit quality rating	100.00%
Notes Receivable [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	$ 89,255		84,948
2023/2022	23,118		14,053
2022/2021	4,932		11,480
2021/2020	3,305		485
2020/2019	39		91
2019/2018 and prior	14		1
Total	120,663		111,058
Transfers	(39,309)	[3]	(29,547)	[4]
Net credit exposure	81,354		81,511
Unguaranteed residual value	0	[5]	0	[6]
Lease Receivables [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	43,526		45,425
2023/2022	20,377		7,272
2022/2021	4,960		2,686
2021/2020	1,645		600
2020/2019	216		54
2019/2018 and prior	10		9
Total	70,734		56,046
Transfers	(8,868)	[3]	(3,031)	[4]
Net credit exposure	61,866		53,015
Unguaranteed residual value	$ 8,860	[5]	8,161	[6]
High CQR [Member] | Maximum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Loss rate on credit quality rating	1.00%
High CQR [Member] | Notes Receivable [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	$ 78,475		72,155
2023/2022	19,040		11,378
2022/2021	4,558		11,267
2021/2020	3,230		370
2020/2019	39		30
2019/2018 and prior	0		0
Total	105,342		95,200
Transfers	(35,451)	[3]	(28,115)	[4]
Net credit exposure	69,891		67,085
High CQR [Member] | Lease Receivables [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	26,317		21,629
2023/2022	9,664		3,842
2022/2021	2,211		1,916
2021/2020	1,270		565
2020/2019	214		51
2019/2018 and prior	10		9
Total	39,686		28,012
Transfers	(5,320)	[3]	(1,437)	[4]
Net credit exposure	$ 34,366		26,575
Average CQR [Member] | Minimum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Loss rate on credit quality rating	1.00%
Average CQR [Member] | Maximum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Loss rate on credit quality rating	8.00%
Average CQR [Member] | Notes Receivable [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	$ 10,780		12,793
2023/2022	4,078		2,675
2022/2021	374		213
2021/2020	75		115
2020/2019	0		61
2019/2018 and prior	14		1
Total	15,321		15,858
Transfers	(3,858)	[3]	(1,432)	[4]
Net credit exposure	11,463		14,426
Average CQR [Member] | Lease Receivables [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	17,209		23,796
2023/2022	10,713		3,430
2022/2021	2,749		770
2021/2020	375		35
2020/2019	2		3
2019/2018 and prior	0		0
Total	31,048		28,034
Transfers	(3,548)	[3]	(1,594)	[4]
Net credit exposure	$ 27,500		$ 26,440

[1] Excludes unguaranteed residual values of $4,009 thousand that we retained after selling the related lease receivable.

[2] Excludes unguaranteed residual values of $4,222 thousand that we retained after selling the related lease receivable.

[3] Transfers consist of receivables that have been transferred to third-party financial institutions on a non-recourse basis.

[4] Transfers consist of receivables that have been transferred to third-party financial institutions on a non-recourse basis and receivables that are in the process of being transferred to third-party financial institutions.

[5] Includes unguaranteed residual values of $4,009 thousand that we retained after selling the related lease receivable.

[6] Includes unguaranteed residual values of $4,222 thousand that we retained after selling the related lease receivable.