FINANCING RECEIVABLES AND OPERATING LEASES (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2016		Jun. 30, 2015	Mar. 31, 2016		Mar. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Reserve for credit losses		$ (5,325)		$ (5,398)	$ (5,193)		$ (5,623)
Reported as [Abstract]
Current		72,826			56,448
Estimated unguaranteed residual values for direct financing lease		7,843			6,722
Accumulated amortization of initial direct cost		623			612
Collateral for non-recourse notes payable - Operating leases		3,800			13,900
Collateral for non-recourse notes payable - Finance receivables		49,700			36,100
Gain on sale of financing receivables		1,500		1,500
Proceeds from sale of financing receivables		54,200		24,300
Investment in operating lease equipment - net [Abstract]
Cost of equipment under operating lease		15,572			36,635
Accumulated depreciation		(9,666)			(18,897)
Investment in operating lease equipment - net	[1]	5,906			17,738
Unguaranteed residual value of operating lease equipment net		1,202			3,417
Maximum potential future payments related guarantees		1,300
Notes Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		56,191			44,442
Estimated unguaranteed residual value		0	[2]		0	[3]
Initial direct costs, net of amortization		581	[4]		312	[5]
Unearned income		0			0
Reserve for credit losses		(3,452)	[6]	(3,540)	(3,381)	[6]	(3,573)
Total, net		53,320			41,373
Reported as [Abstract]
Current		37,454			24,962
Long-term		15,866			16,411
Total, net		53,320			41,373
Lease-Related Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		73,233			66,303
Estimated unguaranteed residual value		16,748	[2]		12,693	[3]
Initial direct costs, net of amortization		477	[4]		475	[5]
Unearned income		(5,842)			(5,543)
Reserve for credit losses		(731)	[6]	$ (915)	(685)	[6]	$ (881)
Total, net		83,885			73,243
Reported as [Abstract]
Current		35,372			31,486
Long-term		48,513			41,757
Total, net		83,885			73,243
Financing Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		129,424			110,745
Estimated unguaranteed residual value		16,748	[2]		12,693	[3]
Initial direct costs, net of amortization		1,057	[4]		787	[5]
Unearned income		(5,842)			(5,543)
Reserve for credit losses	[6]	(4,182)			(4,066)
Total, net		137,205			114,616
Reported as [Abstract]
Current		72,826			56,448
Long-term		64,379			58,168
Total, net		$ 137,205			$ 114,616

[1] These totals include estimated unguaranteed residual values of $1,202 thousand and $3,417 thousand as of June 30, 2016 and March 31, 2016, respectively.

[2] Includes estimated unguaranteed residual values of $7,843 thousand for direct financing leases, which have been sold and accounted for as sales under ASC Topic, Transfers and Servicing.

[3] Includes estimated unguaranteed residual values of $6,722 thousand for direct financing leases which have been sold and accounted for as sales under ASC Topic, Transfers and Servicing.

[4] Initial direct costs are shown net of amortization of $623 thousand.

[5] Initial direct costs are shown net of amortization of $612 thousand.

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