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Accounting Policies (Narrative) (Details) | 9 Months Ended |
--- | --- | ---
Nov. 30, 2016 USD ($) warehouse | Feb. 29, 2016 USD ($)
Accounting Policies [Abstract] |  |
Cash equivalents | $ 272,000 | $ 109,000
Restricted cash from collections on auto loan receivables | $ 357,040,000 | 343,829,000
Number of warehouse facilities | warehouse | 3 |
Required benchmark for account delinquency | 120 days |
Accumulated depreciation and amortization | $ 1,010,000,000 | 925,300,000
Restricted cash on deposit in reserve accounts | 50,200,000 | 46,600,000
Restricted investments | $ 70,700,000 | $ 63,000,000

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