<ARTICLE>                          5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL
INFORMATION EXTRACTED FROM THE CONSOLIDATED
BALANCE SHEET AND STATEMENTS OF INCOME FILED
AS PART OF THE DECEMBER 31, 1996 FORM 10-K AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH REPORT
</LEGEND>
<MULTIPLIER>                            1000
       
                               
<PERIOD-TYPE>                             Year
<FISCAL-YEAR-END>                  DEC-31-1996
<PERIOD-START>                     JAN-01-1996
<PERIOD-END>                       DEC-31-1996
<CASH>                                 30,211
<SECURITIES>                           48,956
<RECEIVABLES>                          35,862
<ALLOWANCES>                            2,420
<INVENTORY>                            11,778
<CURRENT-ASSETS>                      131,585
<PP&E>                                 57,643
<DEPRECIATION>                         25,459
<TOTAL-ASSETS>                        169,225
<CURRENT-LIABILITIES>                  32,291
<BONDS>                                     0
<PREFERRED-MANDATORY>                       0
<PREFERRED>                                 0
<COMMON>                                  216
<OTHER-SE>                            126,737
<TOTAL-LIABILITY-AND-EQUITY>          169,225
<SALES>                               200,715
<TOTAL-REVENUES>                      200,715
<CGS>                                  49,755
<TOTAL-COSTS>                          49,755
<OTHER-EXPENSES>                      113,583
<LOSS-PROVISION>                            0
<INTEREST-EXPENSE>                        844
<INCOME-PRETAX>                        38,039
<INCOME-TAX>                           12,553
<INCOME-CONTINUING>                    25,486
<DISCONTINUED>                              0
<EXTRAORDINARY>                             0
<CHANGES>                                   0
<NET-INCOME>                           25,486
<EPS-PRIMARY>                               1.16
<EPS-DILUTED>                               1.16