|
Auto Loan Receivables (Ending Managed Receivables By Major Credit Grade) (Details) (USD $)
In Millions, unless otherwise specified |
Nov. 30, 2012
|
Feb. 29, 2012
|
Nov. 30, 2011
|
Feb. 28, 2011
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Financing Receivable, By Major Credit Grade [Line Items] | ||||||||||||
| Total ending managed receivables | $ 5,583.4 | [1] | $ 4,981.8 | [1] | $ 4,823.8 | [1] | $ 4,334.6 | [1] | ||||
| Total ending managed receivables as percentage by major credit grade | 100.00% | [2] | 100.00% | [2] | 100.00% | [2] | 100.00% | [2] | ||||
|
Credit Grade A [Member]
|
||||||||||||
| Financing Receivable, By Major Credit Grade [Line Items] | ||||||||||||
| Total ending managed receivables | 2,644.9 | [1] | 2,452.8 | [1] | 2,401.4 | [1] | 2,234.1 | [1] | ||||
| Total ending managed receivables as percentage by major credit grade | 47.40% | [2] | 49.20% | [2] | 49.80% | [2] | 51.50% | [2] | ||||
|
Credit Grade B [Member]
|
||||||||||||
| Financing Receivable, By Major Credit Grade [Line Items] | ||||||||||||
| Total ending managed receivables | 2,174.1 | [1] | 1,923.6 | [1] | 1,860.3 | [1] | 1,668.0 | [1] | ||||
| Total ending managed receivables as percentage by major credit grade | 38.90% | [2] | 38.60% | [2] | 38.60% | [2] | 38.50% | [2] | ||||
|
Credit Grade C And Other [Member]
|
||||||||||||
| Financing Receivable, By Major Credit Grade [Line Items] | ||||||||||||
| Total ending managed receivables | $ 764.4 | [1] | $ 605.4 | [1] | $ 562.1 | [1] | $ 432.5 | [1] | ||||
| Total ending managed receivables as percentage by major credit grade | 13.70% | [2] | 12.20% | [2] | 11.60% | [2] | 10.00% | [2] | ||||
|
||||||||||||