<ARTICLE> 5
<LEGEND>
THIS DOCUMENT CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF INCOME FOUND ON
PAGES 3 AND 4 OF THE COMPANY'S Q3 FORM 10Q FOR THE YEAR-TO-DATE AND IS
QUALIFIED IN ITS ENTIRETY TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                          50,074
<SECURITIES>                                   121,970
<RECEIVABLES>                                  118,200
<ALLOWANCES>                                     2,645
<INVENTORY>                                     51,631
<CURRENT-ASSETS>                               362,970
<PP&E>                                          98,707
<DEPRECIATION>                                  31,695
<TOTAL-ASSETS>                                 439,623
<CURRENT-LIABILITIES>                           86,970
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       124,164
<OTHER-SE>                                     228,489
<TOTAL-LIABILITY-AND-EQUITY>                   439,623
<SALES>                                        357,129
<TOTAL-REVENUES>                               357,129
<CGS>                                          151,130
<TOTAL-COSTS>                                  151,130
<OTHER-EXPENSES>                                93,366
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 254
<INCOME-PRETAX>                                118,695
<INCOME-TAX>                                    41,544
<INCOME-CONTINUING>                             77,151
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    77,151
<EPS-PRIMARY>                                     4.68
<EPS-DILUTED>                                     4.68