<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   YEAR
<FISCAL-YEAR-END>                          SEP-30-1997             SEP-30-1997             SEP-30-1997             SEP-30-1996
<PERIOD-START>                             OCT-01-1996             OCT-01-1996             OCT-01-1996             OCT-01-1995
<PERIOD-END>                               DEC-31-1996             MAR-31-1997             JUN-30-1997             SEP-30-1996
<CASH>                                          20,039                  91,922                  91,808                  23,167
<SECURITIES>                                   280,659                 341,196                 416,974                 203,757
<RECEIVABLES>                                  747,237               1,040,727               1,335,828                 437,307
<ALLOWANCES>                                    12,790                  17,845                  21,744                   6,495
<INVENTORY>                                          0                       0                       0                       0
<CURRENT-ASSETS>                                     0                       0                       0                       0
<PP&E>                                          11,439                  14,151                  28,326                  11,961
<DEPRECIATION>                                   4,601                   5,406                   6,357                   2,097
<TOTAL-ASSETS>                               1,114,140               1,579,300               2,007,536                 710,384
<CURRENT-LIABILITIES>                           22,348                  25,310                  37,666                     804
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                           300                     353                     357                     134
<OTHER-SE>                                     157,827                 318,965                 367,854                  94,435
<TOTAL-LIABILITY-AND-EQUITY>                 1,114,140               1,579,300               2,007,536                 710,384
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                                90,855                 220,021                 383,328                 149,660
<CGS>                                                0                       0                       0                       0
<TOTAL-COSTS>                                        0                       0                       0                       0
<OTHER-EXPENSES>                                39,198                  85,706                 146,015                  66,340
<LOSS-PROVISION>                                 5,272                  18,019                  31,051                  11,247
<INTEREST-EXPENSE>                              14,713                  35,348                  61,808                  16,892
<INCOME-PRETAX>                                 31,672                  80,948                 144,454                  55,181
<INCOME-TAX>                                    12,036                  30,761                  54,893                  20,969
<INCOME-CONTINUING>                             19,636                  50,187                  89,561                  34,212
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                    19,636                  50,187                  89,561                  34,212
<EPS-PRIMARY>                                     0.69                    1.61                    2.75                    1.38
<EPS-DILUTED>                                     0.58                    1.38                    2.38                    1.33
        

</TABLE>