v2.4.0.8
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
6 Months Ended
Aug. 31, 2013
item
Feb. 28, 2013
Summary Of Significant Accounting Policies [Abstract]    
Cash equivalents $ 730,200,000 $ 430,300,000
Restricted cash from collections on auto loan receivables 251,340,000 224,287,000
Number of warehouses 2  
Required benchmark for account delinquency 120 days  
Less accumulated depreciation and amortization 690,300,000 649,000,000
Accumulated Depreciation on Property and Equipment 690,300,000 649,000,000
Restricted cash on deposit in reserve accounts 31,600,000 41,300,000
Restricted investments $ 35,000,000 $ 35,000,000