<ARTICLE>                     5
<LEGEND>
     This schedule  contains summary  financial  information  extracted from the
consolidated  balance  sheet and the  consolidated  statement of earnings and is
qualified in its entirety by reference to such financial statements.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                        JUN-30-2000
<PERIOD-END>                             DEC-31-1999
<CASH>                                        14,616
<SECURITIES>                                   8,297
<RECEIVABLES>                                 18,729
<ALLOWANCES>                                   1,214
<INVENTORY>                                   11,456
<CURRENT-ASSETS>                              61,802
<PP&E>                                        34,478
<DEPRECIATION>                                18,569
<TOTAL-ASSETS>                                87,946
<CURRENT-LIABILITIES>                         13,339
<BONDS>                                            0
<PREFERRED-MANDATORY>                              0
<PREFERRED>                                        0
<COMMON>                                       1,160
<OTHER-SE>                                    71,071
<TOTAL-LIABILITY-AND-EQUITY>                  87,946
<SALES>                                       39,173
<TOTAL-REVENUES>                              39,173
<CGS>                                         22,499
<TOTAL-COSTS>                                 22,499
<OTHER-EXPENSES>                              13,768
<LOSS-PROVISION>                                   0
<INTEREST-EXPENSE>                                 0
<INCOME-PRETAX>                                3,355
<INCOME-TAX>                                   1,224
<INCOME-CONTINUING>                            2,131
<DISCONTINUED>                                     0
<EXTRAORDINARY>                                  (73)
<CHANGES>                                          0
<NET-INCOME>                                   2,058
<EPS-BASIC>                                    .18
<EPS-DILUTED>                                    .17