<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS FOUND ON
PAGES 3 AND 4 OF THE COMPANYS FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE 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>                                         114,330
<SECURITIES>                                    99,844
<RECEIVABLES>                                   89,306
<ALLOWANCES>                                         0
<INVENTORY>                                     62,329
<CURRENT-ASSETS>                               379,143
<PP&E>                                          33,821
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 450,385
<CURRENT-LIABILITIES>                          100,689
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       100,759
<OTHER-SE>                                     197,466
<TOTAL-LIABILITY-AND-EQUITY>                   450,385
<SALES>                                        312,687
<TOTAL-REVENUES>                               312,687
<CGS>                                          126,283
<TOTAL-COSTS>                                  126,283
<OTHER-EXPENSES>                               113,427
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 78,068
<INCOME-TAX>                                    29,668
<INCOME-CONTINUING>                             48,400
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    48,400
<EPS-PRIMARY>                                     1.53
<EPS-DILUTED>                                     1.53