<ARTICLE>                     5
<MULTIPLIER>                                   1,000


                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>               DEC-31-1999
<PERIOD-END>                    SEP-30-1999
<CASH>                               22,469
<SECURITIES>                        116,717
<RECEIVABLES>                        43,700
<ALLOWANCES>                              0
<INVENTORY>                          20,684
<CURRENT-ASSETS>                    223,358
<PP&E>                               28,869
<DEPRECIATION>                            0
<TOTAL-ASSETS>                      308,203
<CURRENT-LIABILITIES>                77,557
<BONDS>                                   0
<PREFERRED-MANDATORY>                     0
<PREFERRED>                               0
<COMMON>                            193,090
<OTHER-SE>                                0
<TOTAL-LIABILITY-AND-EQUITY>        308,203
<SALES>                              57,624
<TOTAL-REVENUES>                     67,534
<CGS>                                43,897
<TOTAL-COSTS>                             0
<OTHER-EXPENSES>                     16,681
<LOSS-PROVISION>                          0
<INTEREST-EXPENSE>                        0
<INCOME-PRETAX>                       9,709
<INCOME-TAX>                          3,204
<INCOME-CONTINUING>                   6,505
<DISCONTINUED>                            0
<EXTRAORDINARY>                           0
<CHANGES>                                 0
<NET-INCOME>                          6,505
<EPS-BASIC>                            0.24
<EPS-DILUTED>                          0.21