v2.4.0.6

Debt (Details) (USD $)									9 Months Ended			9 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended
	Nov. 30, 2011		Feb. 28, 2011		Nov. 30, 2010		Feb. 28, 2010		Nov. 30, 2011 Non-Recourse Notes Payable [Member]	Nov. 30, 2011 Line Of Credit [Member]	Nov. 30, 2011 Warehouse Facilities [Member]	Nov. 30, 2011 Warehouse Facility One [Member] Warehouse Facilities [Member]	Aug. 31, 2011 Warehouse Facility One [Member] Warehouse Facilities [Member]	Nov. 30, 2011 Warehouse Facility Two [Member] Warehouse Facilities [Member] days	Aug. 31, 2011 Warehouse Facility Two [Member] Warehouse Facilities [Member]	Aug. 31, 2011 Warehouse Facility Temporary Increase [Member] Warehouse Facilities [Member]	Nov. 30, 2011 Scenario, Previously Reported [Member] Warehouse Facility Two [Member] Warehouse Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity of credit facility										$ 700,000,000
Revolving credit facility, expiration date										December 2011						September 2011
Revolving credit facility, amount outstanding										800,000
Capital lease obligations, current	800,000
Capital lease obligations, non-current	27,700,000
Debt maturity, start									March 2012
Debt maturity, end									April 2018
Non-recourse notes payable	4,470,000,000		4,010,000,000						4,470,000,000
Current portion of non-recourse notes payable	147,183,000		132,519,000						147,200,000
Warehouse facilities maximum borrowing capacity											1,600,000,000		800,000,000	800,000,000	800,000,000
Increase (decrease) in maximum borrowing capacity																400,000,000
Auto loan receivables funded in warehouse facilities	876,000,000	[1]	943,000,000	[1]	542,000,000	[1]	331,000,000	[1]			876,000,000,000
Remaining borrowing capacity											$ 724,000,000
Warehouse facility expiration date												February 2012		August 2012			August 2011
Warehouse facility additional term of facility														364
[1] Amounts were off-balance sheet prior to March 1, 2010.

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Current portion of non-recourse notes payable issued by securitization vehicles to third-party investors accounted for as secured borrowings. Represents principal payments that have been collected, but will be distributed in the following period.

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Maximum borrowing capacity under all warehouse facilities without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facilities.

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Amount of total borrowing capacity currently available under the warehouse facilities (current borrowing capacity less the amount of borrowings outstanding).

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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