Auto Loan Receivables (Auto Loan Receivables, Net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Mar. 01, 2020
Total ending managed receivables	$ 16,767,900	$ 15,652,300
Accrued interest and fees	78,000	67,300
Other	3,100	3,100
Less: allowance for loan losses	(507,201)	(433,030)	$ (411,100)
Auto loans receivable, net	16,341,791	15,289,701
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)	74,200
Non-recourse Notes Payable	16,360,092	15,466,799
Asset-backed term funding
Total ending managed receivables	12,242,800	11,653,800
Warehouse facilities
Total ending managed receivables	3,649,900	3,291,900
Overcollateralization
Total ending managed receivables	739,900	489,100
Other Managed Receivables
Total ending managed receivables	$ 135,300	$ 217,500