RESERVES FOR CREDIT LOSSES, CQR (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Total Minimum Lease Payments	$ 64,614	$ 99,747
Lease-Related Receivables [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	505	1,852
61-90 Days Past Due	367	12
Greater Than 90 Days Past Due	94	84
Total Past Due	966	1,948
Current	423	1,030
Unbilled Minimum Lease Payments	63,225	96,769
Total Minimum Lease Payments	64,614	99,747
Unearned Income	(4,412)	(9,002)
Non-Recourse Notes Payable	(18,194)	(18,589)
Net Credit Exposure	42,008	72,156
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	2,721	0
61-90 Days Past Due	127	0
Greater Than 90 Days Past Due	1,558	86
Total Past Due	4,406	86
Current	3,450	3,077
Unbilled Minimum Lease Payments	27,174	24,137
Total Minimum Lease Payments	35,030	27,300
Non-Recourse Notes Payable	(6,824)	(495)
Net Credit Exposure	28,206	26,805
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] | Lease-Related Receivables [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	454	1,767
61-90 Days Past Due	316	5
Greater Than 90 Days Past Due	28	72
Total Past Due	798	1,844
Current	322	977
Unbilled Minimum Lease Payments	38,278	58,214
Total Minimum Lease Payments	39,398	61,035
Unearned Income	(2,777)	(4,541)
Non-Recourse Notes Payable	(10,337)	(3,480)
Net Credit Exposure	26,284	53,014
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	1,342	0
61-90 Days Past Due	127	0
Greater Than 90 Days Past Due	832	0
Total Past Due	2,301	0
Current	3,450	2,661
Unbilled Minimum Lease Payments	22,097	18,140
Total Minimum Lease Payments	27,848	20,801
Non-Recourse Notes Payable	(5,621)	(292)
Net Credit Exposure	22,227	20,509
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] | Lease-Related Receivables [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	51	85
61-90 Days Past Due	51	7
Greater Than 90 Days Past Due	5	12
Total Past Due	107	104
Current	101	53
Unbilled Minimum Lease Payments	24,640	38,337
Total Minimum Lease Payments	24,848	38,494
Unearned Income	(1,596)	(4,445)
Non-Recourse Notes Payable	(7,857)	(15,109)
Net Credit Exposure	15,395	18,940
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	1,379	0
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	0	0
Total Past Due	1,379	0
Current	0	29
Unbilled Minimum Lease Payments	2,566	2,113
Total Minimum Lease Payments	3,945	2,142
Non-Recourse Notes Payable	(1,203)	(203)
Net Credit Exposure	2,742	1,939
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] | Lease-Related Receivables [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	0
Total Past Due	61	0
Current	0	0
Unbilled Minimum Lease Payments	307	218
Total Minimum Lease Payments	368	218
Unearned Income	(39)	(16)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	329	202
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	86
Total Past Due	726	86
Current	0	387
Unbilled Minimum Lease Payments	2,511	3,884
Total Minimum Lease Payments	3,237	4,357
Non-Recourse Notes Payable	0	0
Net Credit Exposure	$ 3,237	$ 4,357