<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 2000
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          73,989
<SECURITIES>                                    15,388
<RECEIVABLES>                                   56,205
<ALLOWANCES>                                         0
<INVENTORY>                                     55,280
<CURRENT-ASSETS>                               214,654
<PP&E>                                          36,222
<DEPRECIATION>                                  19,251
<TOTAL-ASSETS>                                 232,426
<CURRENT-LIABILITIES>                           44,563
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        20,238
<OTHER-SE>                                     165,979
<TOTAL-LIABILITY-AND-EQUITY>                   232,426
<SALES>                                        159,190
<TOTAL-REVENUES>                               159,190
<CGS>                                           96,123
<TOTAL-COSTS>                                   96,123
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 35,337
<INCOME-TAX>                                    12,300
<INCOME-CONTINUING>                             12,300
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,037
<EPS-BASIC>                                     1.14
<EPS-DILUTED>                                     1.08

<F1>Item consists of Basic Earnings per Share