CarMax Auto Finance Income (Components Of CarMax Auto Finance Income) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
May. 31, 2015 |
May. 31, 2014 |
| Auto Finance Income [Line Items] |
|
|
|
| Interest and fee income |
|
$ 164,900
|
$ 147,000
|
| Interest expense |
|
(28,100)
|
(23,100)
|
| Total interest margin |
|
136,800
|
123,900
|
| Provision for loan losses |
|
(13,600)
|
(15,800)
|
| Total interest margin after provision for loan losses |
|
123,200
|
108,100
|
| Payroll and fringe benefit expense |
|
(6,800)
|
(6,200)
|
| Other direct expenses |
|
(7,300)
|
(7,300)
|
| Total direct expenses |
|
(14,100)
|
(13,500)
|
| CarMax Auto Finance income |
|
109,108
|
94,615
|
| Average Managed Receivables |
|
$ 8,664,600
|
$ 7,390,100
|
| Interest And Fee Income [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
7.60%
|
8.00%
|
| Interest Expense [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
(1.30%)
|
(1.20%)
|
| Total Interest Margin [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
6.30%
|
6.70%
|
| Provision For Loan Losses [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
(0.60%)
|
(0.90%)
|
| Total Interest Margin After Provision For Loan Losses [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
5.70%
|
5.80%
|
| Payroll And Fringe Benefit Expense [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
(0.30%)
|
(0.30%)
|
| Other Direct Expenses [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
(0.40%)
|
(0.40%)
|
| Total Direct Expenses [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
(0.70%)
|
(0.70%)
|
| CAF Income [Member] |
|
|
|
| Auto Finance Income [Line Items] |
|
|
|
| Item as percent of total average managed receivables |
[1] |
5.00%
|
5.10%
|
|
|