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Finance Receivables - Information regarding the delinquency rates with respect to contracts and direct loans (Details 5) (USD $) | Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross Balance Outstanding | $ 4,132,000 | $ 2,572,000 | $ 2,035,000
Contracts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross Balance Outstanding | 386,940,093 | 382,766,667 | 368,099,418
30 - 59 days | 10,557,122 | 8,994,485 | 6,106,211
30 - 59 days (in percentage) | 2.73% | 2.35% | 1.66%
60 - 89 days | 2,723,456 | 1,889,643 | 1,468,079
60 - 89 days (in percentage) | 0.70% | 0.49% | 0.40%
90 + days | 1,373,507 | 663,521 | 549,518
90 + days (in percentage) | 0.35% | 0.17% | 0.15%
Total | 14,654,085 | 11,547,649 | 8,123,808
Total (in percentage) | 3.78% | 3.01% | 2.21%
Direct Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross Balance Outstanding | 8,781,637 | 6,221,688 | 4,850,865
30 - 59 days | 72,364 | 48,899 | 37,399
30 - 59 days (in percentage) | 0.82% | 0.79% | 0.77%
60 - 89 days | 21,509 | 14,257 | 5,636
60 - 89 days (in percentage) | 0.25% | 0.23% | 0.11%
90 + days | 13,790 | 4,933 | 11,919
90 + days (in percentage) | 0.16% | 0.07% | 0.25%
Total | $ 107,663 | $ 68,089 | $ 54,954
Total (in percentage) | 1.23% | 1.09% | 1.13%

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- Definition Represents percentage of financing receivables that are less than 60 days past due but more than 29 days past due. + References No definition available. + Details
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- Definition Represents percentage of financing receivables that are less than 90 days past due but more than 59 days past due. + References No definition available. + Details
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- Definition Represents percentage of financing receivables that are equal to or greater than 90 days past due. + References No definition available. + Details
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- Definition Represents percentage of recorded Investment in financing receivables that are past due at the balance sheet date. + References No definition available. + Details
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- Definition Financing receivables that are less than 60 days past due but more than 29 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are less than 90 days past due but more than 59 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are equal to or greater than 90 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(3)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Subparagraph 3 -Article 9 + Details
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