<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS INCLUDED IN THE QUARTERLY REPORT ON FORM 10-Q FOR THE SIX
MONTHS ENDED APRIL 1, 2000, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-2000
<PERIOD-START>                             OCT-01-1999
<PERIOD-END>                               APR-01-2000
<CASH>                                         328,497
<SECURITIES>                                    54,627
<RECEIVABLES>                                  186,217
<ALLOWANCES>                                     6,730
<INVENTORY>                                          0
<CURRENT-ASSETS>                               684,239
<PP&E>                                         192,304
<DEPRECIATION>                                 123,038
<TOTAL-ASSETS>                               1,002,856
<CURRENT-LIABILITIES>                          372,258
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,760
<OTHER-SE>                                     597,287
<TOTAL-LIABILITY-AND-EQUITY>                 1,002,856
<SALES>                                        192,764
<TOTAL-REVENUES>                               466,142
<CGS>                                            8,732
<TOTAL-COSTS>                                  124,558
<OTHER-EXPENSES>                               336,009
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  6,611
<INCOME-TAX>                                     2,076
<INCOME-CONTINUING>                              4,535
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,535
<EPS-BASIC>                                       0.02
<EPS-DILUTED>                                     0.02