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Auto Loan Receivables (Allowance For Loan Losses) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Aug. 31, 2013
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Aug. 31, 2012
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Aug. 31, 2013
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Aug. 31, 2012
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Aug. 31, 2013
Allowance For Loan Losses [Member]
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May 31, 2013
Allowance For Loan Losses [Member]
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Feb. 28, 2013
Allowance For Loan Losses [Member]
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Aug. 31, 2012
Allowance For Loan Losses [Member]
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May 31, 2012
Allowance For Loan Losses [Member]
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Feb. 29, 2012
Allowance For Loan Losses [Member]
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| Financing Receivable, Allowance for Credit Losses [Line Items] | ||||||||||||||||||
| Balance as of beginning of period | $ 60.9 | $ 46.6 | $ 57.3 | $ 43.3 | ||||||||||||||
| Charge-offs | (31.8) | (24.3) | (58.2) | (44.9) | ||||||||||||||
| Recoveries | 18.8 | 14.3 | 37.5 | 29.0 | ||||||||||||||
| Provision for loan losses | (18.0) | (12.9) | (29.3) | (22.1) | ||||||||||||||
| Balance as of end of period | $ 65.9 | $ 49.5 | $ 65.9 | $ 49.5 | ||||||||||||||
| Item as percent of total ending managed receivables | 1.00% | [1] | 1.00% | [1] | 1.00% | [1] | 0.90% | [1] | 0.90% | [1] | 0.90% | [1] | ||||||
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