<ARTICLE>                                       5           
<MULTIPLIER>                                1,000           
                                                            
                                                      
<PERIOD-TYPE>                               3-MOS           
<FISCAL-YEAR-END>                                          DEC-31-1995
<PERIOD-END>                                               MAR-31-1995
<CASH>                                                     8069
<SECURITIES>                                               44983
<RECEIVABLES>                                              27903
<ALLOWANCES>                                               0
<INVENTORY>                                                28143
<CURRENT-ASSETS>                                           97157
<PP&E>                                                     36143
<DEPRECIATION>                                             0
<TOTAL-ASSETS>                                             165797
<CURRENT-LIABILITIES>                                      20086
<BONDS>                                                    0
<COMMON>                                                   17097
<PREFERRED-MANDATORY>                                      0
<PREFERRED>                                                0
<OTHER-SE>                                                 111470
<TOTAL-LIABILITY-AND-EQUITY>                               165797
<SALES>                                                    54845
<TOTAL-REVENUES>                                           55871
<CGS>                                                      15421
<TOTAL-COSTS>                                              47632
<OTHER-EXPENSES>                                           0
<LOSS-PROVISION>                                           253
<INTEREST-EXPENSE>                                         10
<INCOME-PRETAX>                                            8239
<INCOME-TAX>                                               3214
<INCOME-CONTINUING>                                        5025
<DISCONTINUED>                                             0
<EXTRAORDINARY>                                            0
<CHANGES>                                                  0
<NET-INCOME>                                               5025
<EPS-PRIMARY>                                              0.4
<EPS-DILUTED>                                              0.4