<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
STATEMENTS OF FINANCIAL POSITION AND CONSOLIDATED STATEMENTS OF EARNINGS AND
RETAINED EARNINGS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINACIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          45,659
<SECURITIES>                                    98,498
<RECEIVABLES>                                   23,092
<ALLOWANCES>                                     1,885
<INVENTORY>                                     30,309
<CURRENT-ASSETS>                               201,513
<PP&E>                                         153,329
<DEPRECIATION>                                  71,642
<TOTAL-ASSETS>                                 391,456
<CURRENT-LIABILITIES>                           48,184
<BONDS>                                          7,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        15,975
<OTHER-SE>                                     296,906
<TOTAL-LIABILITY-AND-EQUITY>                   391,456
<SALES>                                        340,909
<TOTAL-REVENUES>                               340,909
<CGS>                                          178,488
<TOTAL-COSTS>                                   90,888
<OTHER-EXPENSES>                               (3,566)
<LOSS-PROVISION>                                   476
<INTEREST-EXPENSE>                               1,498
<INCOME-PRETAX>                                 75,098
<INCOME-TAX>                                    27,891
<INCOME-CONTINUING>                             47,207
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    47,207
<EPS-PRIMARY>                                     2.05
<EPS-DILUTED>                                     2.05