Auto Loan Receivables (Auto Loan Receivables, Net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Mar. 01, 2020	Feb. 29, 2020
Non-recourse notes payable	$ 15,466,799	$ 13,764,808
Total ending managed receivables	15,652,300	13,847,200
Accrued interest and fees	67,300	57,400
Other	3,100	(3,700)
Less: allowance for loan losses	(433,030)	(411,150)	$ (359,800)	$ (157,800)
Auto loans receivable, net	15,289,701	13,489,819
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)	21,900
Accounting Standards Update 2016-13 [Member] | Financing Receivable
Less: allowance for loan losses			$ (202,000)
Asset-backed term funding
Total ending managed receivables	11,653,800	11,008,300
Warehouse facilities
Total ending managed receivables	3,291,900	2,314,100
Overcollateralization
Total ending managed receivables	489,100	345,200
Other Managed Receivables
Total ending managed receivables	$ 217,500	$ 179,600