<ARTICLE>                           5
<LEGEND>                         
     (This schedule  contains summary financial  information  extracted from the
Consolidated  Balance  Sheet and  Statements of Income filed as part of the June
30, 1998 Form 10-Q and is qualified in its entirety by reference to such report)
</LEGEND>                        
<MULTIPLIER>                             1000
                                     
                                   
<PERIOD-TYPE>                       9-MOS
<FISCAL-YEAR-END>                   DEC-31-1998
<PERIOD-START>                      JAN-01-1998
<PERIOD-END>                        SEP-30-1998
<CASH>                                  41104
<SECURITIES>                            47585
<RECEIVABLES>                           42264
<ALLOWANCES>                                0
<INVENTORY>                             16403
<CURRENT-ASSETS>                       164092
<PP&E>                                  66619
<DEPRECIATION>                              0
<TOTAL-ASSETS>                         237528
<CURRENT-LIABILITIES>                   41358
<BONDS>                                     0
<PREFERRED-MANDATORY>                       0
<PREFERRED>                                 0
<COMMON>                                  328
<OTHER-SE>                             190731
<TOTAL-LIABILITY-AND-EQUITY>           237528
<SALES>                                200997
<TOTAL-REVENUES>                       200997
<CGS>                                   47944
<TOTAL-COSTS>                           47944
<OTHER-EXPENSES>                       115242
<LOSS-PROVISION>                            0
<INTEREST-EXPENSE>                          0
<INCOME-PRETAX>                         39635
<INCOME-TAX>                            13079
<INCOME-CONTINUING>                     26556
<DISCONTINUED>                              0
<EXTRAORDINARY>                             0
<CHANGES>                                   0
<NET-INCOME>                            26556
<EPS-PRIMARY>                            0.81
<EPS-DILUTED>                            0.78