<ARTICLE> 5

                                                                             
<PERIOD-TYPE>                   YEAR                       YEAR                       YEAR
<FISCAL-YEAR-END>                          SEP-30-1999           SEP-30-1998                SEP-30-1997
<PERIOD-START>                             OCT-01-1998           OCT-01-1997                OCT-01-1996
<PERIOD-END>                               SEP-30-1999           SEP-30-1998                SEP-30-1997
<CASH>                                          61,647                19,403                     11,006
<SECURITIES>                                    37,235                13,577                     40,869
<RECEIVABLES>                                   75,865                76,981                     48,164
<ALLOWANCES>                                         0                     0                          0
<INVENTORY>                                          0                     0                          0
<CURRENT-ASSETS>                               196,605               117,073                    107,097
<PP&E>                                          21,246                10,300                      8,602
<DEPRECIATION>                                   6,524                 5,433                      4,427
<TOTAL-ASSETS>                                 223,036               126,002                    113,884
<CURRENT-LIABILITIES>                           46,133                38,595                     40,989
<BONDS>                                              0                     0                          0
<PREFERRED-MANDATORY>                                0                     0                          0
<PREFERRED>                                          0                     0                          0
<COMMON>                                       130,518                68,624                     66,783
<OTHER-SE>                                      44,961                18,163                      2,258
<TOTAL-LIABILITY-AND-EQUITY>                   223,036               126,002                    113,884
<SALES>                                        319,540               224,114                    173,355
<TOTAL-REVENUES>                               319,540               224,114                    173,355
<CGS>                                          224,912               181,403                    127,170
<TOTAL-COSTS>                                  224,912               181,403                    127,170
<OTHER-EXPENSES>                                51,366                34,909                     26,100
<LOSS-PROVISION>                                     0                     0                          0
<INTEREST-EXPENSE>                                   0                     0                          0
<INCOME-PRETAX>                                 46,866                25,954                     13,634
<INCOME-TAX>                                    19,240                10,440                      4,104
<INCOME-CONTINUING>                             27,626                24,131                     12,713
<DISCONTINUED>                                       0                     0                          0
<EXTRAORDINARY>                                      0                     0                          0
<CHANGES>                                            0                     0                          0
<NET-INCOME>                                    27,626                15,514                      9,530
<EPS-BASIC>                                       1.35                  0.86                       0.67
<EPS-DILUTED>                                     1.32                  0.85                       0.65