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Auto Loan Receivables (Ending Managed Receivables By Major Credit Grade) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Nov. 30, 2011
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Feb. 28, 2011
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Nov. 30, 2010
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Feb. 28, 2010
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Nov. 30, 2011
Credit Grade A [Member]
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Feb. 28, 2011
Credit Grade A [Member]
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Nov. 30, 2011
Credit Grade B [Member]
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Feb. 28, 2011
Credit Grade B [Member]
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Nov. 30, 2011
Credit Grade C And Other [Member]
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Feb. 28, 2011
Credit Grade C And Other [Member]
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Nov. 30, 2011
Total Ending Managed Receivables [Member]
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Feb. 28, 2011
Total Ending Managed Receivables [Member]
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| Financing Receivable, Recorded Investment, Past Due [Line Items] | ||||||||||||||||||||||||
| Total ending managed receivables | $ 4,823.8 | $ 4,334.6 | $ 4,288.1 | $ 4,112.7 | $ 2,401.4 | [1] | $ 2,234.1 | [1] | $ 1,860.3 | [1] | $ 1,668.0 | [1] | $ 562.1 | [1] | $ 432.5 | [1] | $ 4,823.8 | [1] | $ 4,334.6 | [1] | ||||
| Percentage of total ending managed receivables | 49.80% | [2] | 51.50% | [2] | 38.60% | [2] | 38.50% | [2] | 11.60% | [2] | 10.00% | [2] | 100.00% | [2] | 100.00% | [2] | ||||||||
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