FINANCING RECEIVABLES AND OPERATING LEASES (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2017		Jun. 30, 2016	Mar. 31, 2017		Mar. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Reserve for credit losses		$ (2,474)		$ (5,325)	$ (5,392)		$ (5,193)
Reported as [Abstract]
Current		61,372			51,656
Estimated unguaranteed residual values for direct financing lease		12,724			12,677
Accumulated amortization of initial direct cost		371			510
Collateral for non-recourse notes payable - Finance receivables		40,100			33,100
Collateral for non-recourse notes payable - Operating leases		7,100			6,600
Gain on sale of financing receivables		2,300		1,500
Proceeds from sale of financing receivables		85,800		54,200
Investment in operating lease equipment - net [Abstract]
Cost of equipment under operating lease		16,836			16,725
Accumulated depreciation		(8,518)			(8,449)
Investment in operating lease equipment - net	[1]	8,318			8,276
Unguaranteed residual value of operating lease equipment net		2,075			1,117
Deferred revenue		500			500
Maximum potential future payments related guarantees		800
Notes Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		51,091			48,524
Estimated unguaranteed residual value		0	[2]		0	[3]
Initial direct costs, net of amortization		452	[4]		279	[5]
Unearned income		0			0
Reserve for credit losses		(480)	[6]	(3,452)	(3,434)	[6]	(3,381)
Total, net		51,063			45,369
Reported as [Abstract]
Current		33,586			23,780
Long-term		17,477			21,589
Total, net		51,063			45,369
Lease-Related Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		57,155			57,872
Estimated unguaranteed residual value		17,972	[2]		18,273	[3]
Initial direct costs, net of amortization		389	[4]		341	[5]
Unearned income		(5,988)			(5,913)
Reserve for credit losses		(716)	[6]	$ (731)	(679)	[6]	$ (685)
Total, net		68,812			69,894
Reported as [Abstract]
Current		27,786			27,876
Long-term		41,026			42,018
Total, net		68,812			69,894
Financing Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		108,246			106,396
Estimated unguaranteed residual value		17,972	[2]		18,273	[3]
Initial direct costs, net of amortization		841	[4]		620	[5]
Unearned income		(5,988)			(5,913)
Reserve for credit losses	[6]	(1,196)			(4,113)
Total, net		119,875			115,263
Reported as [Abstract]
Current		61,372			51,656
Long-term		58,503			63,607
Total, net		$ 119,875			$ 115,263

[1] These totals include estimated unguaranteed residual values of $2,075 thousand and $1,117 thousand as of June 30, 2017 and March 31, 2017, respectively.

[2] Includes estimated unguaranteed residual values of $12,724 thousand for direct financing leases, which have been sold and accounted for as sales.

[3] Includes estimated unguaranteed residual values of $12,677 thousand for direct financing leases which have been sold and accounted for as sales.

[4] Initial direct costs are shown net of amortization of $371 thousand.

[5] Initial direct costs are shown net of amortization of $510 thousand.

[6] For details on reserve for credit losses, refer to Note 5, "Reserves for Credit Losses."