<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
consolidated balance sheet, consolidate statement of operations and consolidate
statement of cash flows included in the Company's Form 10-Q for the period ended
Septemebr 30, 1998, and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<RESTATED>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                              JAN-1-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          25,182
<SECURITIES>                                    12,610
<RECEIVABLES>                                   19,326
<ALLOWANCES>                                     1,840
<INVENTORY>                                      6,932
<CURRENT-ASSETS>                                74,907
<PP&E>                                          33,756
<DEPRECIATION>                                  20,918
<TOTAL-ASSETS>                                 119,667
<CURRENT-LIABILITIES>                           32,919
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            18
<OTHER-SE>                                      86,730
<TOTAL-LIABILITY-AND-EQUITY>                   119,667
<SALES>                                         73,089
<TOTAL-REVENUES>                                73,089
<CGS>                                           29,049
<TOTAL-COSTS>                                   29,049
<OTHER-EXPENSES>                                60,671
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 130
<INCOME-PRETAX>                               (14,410)
<INCOME-TAX>                                   (5,888)
<INCOME-CONTINUING>                            (8,522)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (8,522)
<EPS-PRIMARY>                                  ($0.48)
<EPS-DILUTED>                                  ($0.48)