<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
STATEMENTS OF FINANCIAL POSITION AND CONSOLIDATED STATEMENTS OF EARNINGS,
COMPREHENSIVE EARNINGS AND RETAINED EARNINGS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          80,744
<SECURITIES>                                    83,176
<RECEIVABLES>                                   21,294
<ALLOWANCES>                                     2,184
<INVENTORY>                                     36,520
<CURRENT-ASSETS>                               228,539
<PP&E>                                         163,601
<DEPRECIATION>                                  80,577
<TOTAL-ASSETS>                                 487,423
<CURRENT-LIABILITIES>                           53,384
<BONDS>                                          7,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        33,237
<OTHER-SE>                                     363,220
<TOTAL-LIABILITY-AND-EQUITY>                   487,423
<SALES>                                        388,659
<TOTAL-REVENUES>                               388,659
<CGS>                                          187,617
<TOTAL-COSTS>                                   99,777
<OTHER-EXPENSES>                               (5,513)
<LOSS-PROVISION>                                   276
<INTEREST-EXPENSE>                                 715
<INCOME-PRETAX>                                106,063
<INCOME-TAX>                                    38,537
<INCOME-CONTINUING>                             67,526
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    67,526
<EPS-PRIMARY>                                     1.41
<EPS-DILUTED>                                     1.41