FINANCING RECEIVABLES AND OPERATING LEASES (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2015		Dec. 31, 2014	Mar. 31, 2015		Mar. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Reserve for credit losses		$ (5,473)		$ (5,845)	$ (5,473)		$ (5,845)	$ (5,623)		$ (5,752)
Reported as [Abstract]
Estimated unguaranteed residual values for direct financing lease		4,438			4,438			3,977
Accumulated amortization of initial direct cost		706			706			647
Financing receivables and operating leases		54,600			54,600			61,900
Gain on sale of financing receivables		1,400		1,500	5,400		4,600
Fair value of assets received from sale		54,100		44,800	162,700		138,600
Investment in operating lease equipment - net [Abstract]
Cost of equipment under operating lease		43,240			43,240			36,283
Accumulated depreciation		(18,554)			(18,554)			(18,354)
Investment in operating lease equipment - net	[1]	24,686			24,686			17,929
Unguaranteed residual value of operating lease equipment net		4,452			4,452			4,340
Notes Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		56,311			56,311			59,943
Estimated unguaranteed residual value		0	[2]		0	[2]		0	[3]
Initial direct costs, net of amortization		439	[4]		439	[4]		429	[5]
Unearned income		0			0			0
Reserve for credit losses		(3,580)	[6]	(3,608)	(3,580)	[6]	(3,608)	(3,573)	[6]	(3,364)
Total, net		53,170			53,170			56,799
Reported as [Abstract]
Current		29,733			29,733			33,484
Long-term		23,437			23,437			23,315
Total, net		53,170			53,170			56,799
Lease-Related Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		74,551			74,551			66,415
Estimated unguaranteed residual value		10,893	[2]		10,893	[2]		8,376	[3]
Initial direct costs, net of amortization		845	[4]		845	[4]		495	[5]
Unearned income		(6,405)			(6,405)			(5,233)
Reserve for credit losses		(831)	[6]	$ (1,032)	(831)	[6]	$ (1,032)	(881)	[6]	$ (1,024)
Total, net		79,053			79,053			69,172
Reported as [Abstract]
Current		38,733			38,733			33,425
Long-term		40,320			40,320			35,747
Total, net		79,053			79,053			69,172
Financing Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Minimum payments		130,862			130,862			126,358
Estimated unguaranteed residual value		10,893	[2]		10,893	[2]		8,376	[3]
Initial direct costs, net of amortization		1,284	[4]		1,284	[4]		924	[5]
Unearned income		(6,405)			(6,405)			(5,233)
Reserve for credit losses	[6]	(4,411)			(4,411)			(4,454)
Total, net		132,223			132,223			125,971
Reported as [Abstract]
Current		68,466			68,466			66,909
Long-term		63,757			63,757			59,062
Total, net		$ 132,223			$ 132,223			$ 125,971

[1] These totals include estimated unguaranteed residual values of $4,452 thousand and $4,340 thousand as of December 31, 2015 and March 31, 2015, respectively.

[2] Includes estimated unguaranteed residual values of $4,438 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 $3,977 thousand for direct financing leases which have been sold and accounted for as sales under Codification Topic, Transfers and Servicing.

[4] Initial direct costs are shown net of amortization of $706 thousand.

[5] Initial direct costs are shown net of amortization of $647 thousand.

[6] For details on reserve for credit losses, refer to Note 4, "Reserves for Credit Losses."