<ARTICLE>                     5
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  INFORMATION   EXTRACTED  FROM  THE  CONDENSED
CONSOLIDATED  BALANCE SHEETS ON THE FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30,
1998 AND THE  CONDENSED  CONSOLIDATED  STATEMENT OF  OPERATIONS AS FILED ON FORM
10-Q FOR THE PERIOD ENDED SEPTEMBER 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                   1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1998
<PERIOD-END>                                   SEP-30-1998
<CASH>                                              60,643
<SECURITIES>                                        37,699
<RECEIVABLES>                                       81,683
<ALLOWANCES>                                         7,923
<INVENTORY>                                         12,059
<CURRENT-ASSETS>                                   213,371
<PP&E>                                             110,642
<DEPRECIATION>                                      73,794
<TOTAL-ASSETS>                                     355,895
<CURRENT-LIABILITIES>                              112,009
<BONDS>                                                  0
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<COMMON>                                               265
<OTHER-SE>                                         171,116
<TOTAL-LIABILITY-AND-EQUITY>                       355,895
<SALES>                                            337,779
<TOTAL-REVENUES>                                   337,779
<CGS>                                              135,993
<TOTAL-COSTS>                                      135,993
<OTHER-EXPENSES>                                   370,952
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                       0
<INCOME-PRETAX>                                   (161,900)
<INCOME-TAX>                                       (34,497)
<INCOME-CONTINUING>                               (127,403)
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                      (127,403)
<EPS-PRIMARY>                                        (5.45)
<EPS-DILUTED>                                        (5.45)