Summary Of Significant Accounting Policies (Narrative) (Details) |
3 Months Ended | |
|---|---|---|
|
May. 31, 2015
USD ($)
item
|
Feb. 28, 2015
USD ($)
|
|
| Summary Of Significant Accounting Policies [Abstract] | ||
| Cash equivalents | $ 318,500,000 | $ 48,000 |
| Restricted cash from collections on auto loan receivables | $ 328,054,000 | 294,122,000 |
| Number of warehouses | item | 2 | |
| Required benchmark for account delinquency | 120 days | |
| Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | $ 849,800,000 | 822,700,000 |
| Restricted cash on deposit in reserve accounts | 44,100,000 | 42,700,000 |
| Restricted investments | $ 56,600,000 | $ 52,400,000 |