XML 50 R39.htm IDEA: XBRL DOCUMENT v3.8.0.1
Auto Loan Receivables (Allowance For Loan Losses) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2017
Aug. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]        
Balance as of beginning of period $ 129.8 $ 104.0 $ 123.6 $ 94.9
Charge-offs (60.4) (55.9) (114.5) (101.7)
Recoveries 27.2 25.9 58.9 54.2
Provision for loan losses 32.9 35.7 61.5 62.3
Balance as of end of period $ 129.5 $ 109.7 $ 129.5 $ 109.7
Allowance For Loan Losses, percent        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Item as percent of total ending managed receivables, balance as of beginning of period 1.18% 1.05% 1.16% 0.99%
Item as percent of total ending managed receivables, balance as of end of period 1.15% 1.08% 1.15% 1.08%