RESERVES FOR CREDIT LOSSES, CQR (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Total Minimum Lease Payments	$ 63,876	$ 64,614
Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	203	505
61-90 Days Past Due	18	367
Greater Than 90 Days Past Due	172	94
Total Past Due	393	966
Current	328	423
Unbilled Minimum Lease Payments	63,155	63,225
Total Minimum Lease Payments	63,876	64,614
Unearned Income	(3,973)	(4,412)
Non-Recourse Notes Payable	(17,505)	(18,194)
Net Credit Exposure	42,398	42,008
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	2,721
61-90 Days Past Due	0	127
Greater Than 90 Days Past Due	3,733	1,558
Total Past Due	3,733	4,406
Current	4,686	3,450
Unbilled Minimum Lease Payments	43,577	27,174
Total Minimum Lease Payments	51,996	35,030
Non-Recourse Notes Payable	(20,469)	(6,824)
Net Credit Exposure	31,527	28,206
High CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	0.00%
Losses on net credit exposure, upper limit (in hundredths)	5.00%
High CQR [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	197	454
61-90 Days Past Due	13	316
Greater Than 90 Days Past Due	103	28
Total Past Due	313	798
Current	259	322
Unbilled Minimum Lease Payments	36,719	38,278
Total Minimum Lease Payments	37,291	39,398
Unearned Income	(2,256)	(2,777)
Non-Recourse Notes Payable	(4,817)	(10,337)
Net Credit Exposure	30,218	26,284
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	1,342
61-90 Days Past Due	0	127
Greater Than 90 Days Past Due	2,954	832
Total Past Due	2,954	2,301
Current	3,931	3,450
Unbilled Minimum Lease Payments	31,655	22,097
Total Minimum Lease Payments	38,540	27,848
Non-Recourse Notes Payable	(15,566)	(5,621)
Net Credit Exposure	22,974	22,227
Average CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	2.00%
Losses on net credit exposure, upper limit (in hundredths)	25.00%
Average CQR [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	6	51
61-90 Days Past Due	5	51
Greater Than 90 Days Past Due	8	5
Total Past Due	19	107
Current	69	101
Unbilled Minimum Lease Payments	26,109	24,640
Total Minimum Lease Payments	26,197	24,848
Unearned Income	(1,681)	(1,596)
Non-Recourse Notes Payable	(12,688)	(7,857)
Net Credit Exposure	11,828	15,395
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	1,379
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	53	0
Total Past Due	53	1,379
Current	755	0
Unbilled Minimum Lease Payments	9,411	2,566
Total Minimum Lease Payments	10,219	3,945
Non-Recourse Notes Payable	(4,903)	(1,203)
Net Credit Exposure	5,316	2,742
Low CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	50.00%
Losses on net credit exposure, upper limit (in hundredths)	100.00%
Low CQR [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	0
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	61	61
Total Past Due	61	61
Current	0	0
Unbilled Minimum Lease Payments	327	307
Total Minimum Lease Payments	388	368
Unearned Income	(36)	(39)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	352	329
Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	0
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	726	726
Total Past Due	726	726
Current	0	0
Unbilled Minimum Lease Payments	2,511	2,511
Total Minimum Lease Payments	3,237	3,237
Non-Recourse Notes Payable	0	0
Net Credit Exposure	$ 3,237	$ 3,237